xref: /aosp_15_r20/external/boringssl/src/third_party/fiat/p256_32.h (revision 8fb009dc861624b67b6cdb62ea21f0f22d0c584b)
1 /* Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --inline --static --use-value-barrier p256 32 '2^256 - 2^224 + 2^192 + 2^96 - 1' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp */
2 /* curve description: p256 */
3 /* machine_wordsize = 32 (from "32") */
4 /* requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp */
5 /* m = 0xffffffff00000001000000000000000000000000ffffffffffffffffffffffff (from "2^256 - 2^224 + 2^192 + 2^96 - 1") */
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 /* Computed values: */
15 /*   eval z = z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224) */
16 /*   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248) */
17 /*   twos_complement_eval z = let x1 := z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224) in */
18 /*                            if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256 */
19 
20 #include <stdint.h>
21 typedef unsigned char fiat_p256_uint1;
22 typedef signed char fiat_p256_int1;
23 #if defined(__GNUC__) || defined(__clang__)
24 #  define FIAT_P256_FIAT_INLINE __inline__
25 #else
26 #  define FIAT_P256_FIAT_INLINE
27 #endif
28 
29 /* The type fiat_p256_montgomery_domain_field_element is a field element in the Montgomery domain. */
30 /* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
31 typedef uint32_t fiat_p256_montgomery_domain_field_element[8];
32 
33 /* The type fiat_p256_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
34 /* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
35 typedef uint32_t fiat_p256_non_montgomery_domain_field_element[8];
36 
37 #if (-1 & 3) != 3
38 #error "This code only works on a two's complement system"
39 #endif
40 
41 #if !defined(FIAT_P256_NO_ASM) && (defined(__GNUC__) || defined(__clang__))
fiat_p256_value_barrier_u32(uint32_t a)42 static __inline__ uint32_t fiat_p256_value_barrier_u32(uint32_t a) {
43   __asm__("" : "+r"(a) : /* no inputs */);
44   return a;
45 }
46 #else
47 #  define fiat_p256_value_barrier_u32(x) (x)
48 #endif
49 
50 
51 /*
52  * The function fiat_p256_addcarryx_u32 is an addition with carry.
53  *
54  * Postconditions:
55  *   out1 = (arg1 + arg2 + arg3) mod 2^32
56  *   out2 = ⌊(arg1 + arg2 + arg3) / 2^32⌋
57  *
58  * Input Bounds:
59  *   arg1: [0x0 ~> 0x1]
60  *   arg2: [0x0 ~> 0xffffffff]
61  *   arg3: [0x0 ~> 0xffffffff]
62  * Output Bounds:
63  *   out1: [0x0 ~> 0xffffffff]
64  *   out2: [0x0 ~> 0x1]
65  */
fiat_p256_addcarryx_u32(uint32_t * out1,fiat_p256_uint1 * out2,fiat_p256_uint1 arg1,uint32_t arg2,uint32_t arg3)66 static FIAT_P256_FIAT_INLINE void fiat_p256_addcarryx_u32(uint32_t* out1, fiat_p256_uint1* out2, fiat_p256_uint1 arg1, uint32_t arg2, uint32_t arg3) {
67   uint64_t x1;
68   uint32_t x2;
69   fiat_p256_uint1 x3;
70   x1 = ((arg1 + (uint64_t)arg2) + arg3);
71   x2 = (uint32_t)(x1 & UINT32_C(0xffffffff));
72   x3 = (fiat_p256_uint1)(x1 >> 32);
73   *out1 = x2;
74   *out2 = x3;
75 }
76 
77 /*
78  * The function fiat_p256_subborrowx_u32 is a subtraction with borrow.
79  *
80  * Postconditions:
81  *   out1 = (-arg1 + arg2 + -arg3) mod 2^32
82  *   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^32⌋
83  *
84  * Input Bounds:
85  *   arg1: [0x0 ~> 0x1]
86  *   arg2: [0x0 ~> 0xffffffff]
87  *   arg3: [0x0 ~> 0xffffffff]
88  * Output Bounds:
89  *   out1: [0x0 ~> 0xffffffff]
90  *   out2: [0x0 ~> 0x1]
91  */
fiat_p256_subborrowx_u32(uint32_t * out1,fiat_p256_uint1 * out2,fiat_p256_uint1 arg1,uint32_t arg2,uint32_t arg3)92 static FIAT_P256_FIAT_INLINE void fiat_p256_subborrowx_u32(uint32_t* out1, fiat_p256_uint1* out2, fiat_p256_uint1 arg1, uint32_t arg2, uint32_t arg3) {
93   int64_t x1;
94   fiat_p256_int1 x2;
95   uint32_t x3;
96   x1 = ((arg2 - (int64_t)arg1) - arg3);
97   x2 = (fiat_p256_int1)(x1 >> 32);
98   x3 = (uint32_t)(x1 & UINT32_C(0xffffffff));
99   *out1 = x3;
100   *out2 = (fiat_p256_uint1)(0x0 - x2);
101 }
102 
103 /*
104  * The function fiat_p256_mulx_u32 is a multiplication, returning the full double-width result.
105  *
106  * Postconditions:
107  *   out1 = (arg1 * arg2) mod 2^32
108  *   out2 = ⌊arg1 * arg2 / 2^32⌋
109  *
110  * Input Bounds:
111  *   arg1: [0x0 ~> 0xffffffff]
112  *   arg2: [0x0 ~> 0xffffffff]
113  * Output Bounds:
114  *   out1: [0x0 ~> 0xffffffff]
115  *   out2: [0x0 ~> 0xffffffff]
116  */
fiat_p256_mulx_u32(uint32_t * out1,uint32_t * out2,uint32_t arg1,uint32_t arg2)117 static FIAT_P256_FIAT_INLINE void fiat_p256_mulx_u32(uint32_t* out1, uint32_t* out2, uint32_t arg1, uint32_t arg2) {
118   uint64_t x1;
119   uint32_t x2;
120   uint32_t x3;
121   x1 = ((uint64_t)arg1 * arg2);
122   x2 = (uint32_t)(x1 & UINT32_C(0xffffffff));
123   x3 = (uint32_t)(x1 >> 32);
124   *out1 = x2;
125   *out2 = x3;
126 }
127 
128 /*
129  * The function fiat_p256_cmovznz_u32 is a single-word conditional move.
130  *
131  * Postconditions:
132  *   out1 = (if arg1 = 0 then arg2 else arg3)
133  *
134  * Input Bounds:
135  *   arg1: [0x0 ~> 0x1]
136  *   arg2: [0x0 ~> 0xffffffff]
137  *   arg3: [0x0 ~> 0xffffffff]
138  * Output Bounds:
139  *   out1: [0x0 ~> 0xffffffff]
140  */
fiat_p256_cmovznz_u32(uint32_t * out1,fiat_p256_uint1 arg1,uint32_t arg2,uint32_t arg3)141 static FIAT_P256_FIAT_INLINE void fiat_p256_cmovznz_u32(uint32_t* out1, fiat_p256_uint1 arg1, uint32_t arg2, uint32_t arg3) {
142   fiat_p256_uint1 x1;
143   uint32_t x2;
144   uint32_t x3;
145   x1 = (!(!arg1));
146   x2 = ((fiat_p256_int1)(0x0 - x1) & UINT32_C(0xffffffff));
147   x3 = ((fiat_p256_value_barrier_u32(x2) & arg3) | (fiat_p256_value_barrier_u32((~x2)) & arg2));
148   *out1 = x3;
149 }
150 
151 /*
152  * The function fiat_p256_mul multiplies two field elements in the Montgomery domain.
153  *
154  * Preconditions:
155  *   0 ≤ eval arg1 < m
156  *   0 ≤ eval arg2 < m
157  * Postconditions:
158  *   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
159  *   0 ≤ eval out1 < m
160  *
161  */
fiat_p256_mul(fiat_p256_montgomery_domain_field_element out1,const fiat_p256_montgomery_domain_field_element arg1,const fiat_p256_montgomery_domain_field_element arg2)162 static FIAT_P256_FIAT_INLINE void fiat_p256_mul(fiat_p256_montgomery_domain_field_element out1, const fiat_p256_montgomery_domain_field_element arg1, const fiat_p256_montgomery_domain_field_element arg2) {
163   uint32_t x1;
164   uint32_t x2;
165   uint32_t x3;
166   uint32_t x4;
167   uint32_t x5;
168   uint32_t x6;
169   uint32_t x7;
170   uint32_t x8;
171   uint32_t x9;
172   uint32_t x10;
173   uint32_t x11;
174   uint32_t x12;
175   uint32_t x13;
176   uint32_t x14;
177   uint32_t x15;
178   uint32_t x16;
179   uint32_t x17;
180   uint32_t x18;
181   uint32_t x19;
182   uint32_t x20;
183   uint32_t x21;
184   uint32_t x22;
185   uint32_t x23;
186   uint32_t x24;
187   uint32_t x25;
188   fiat_p256_uint1 x26;
189   uint32_t x27;
190   fiat_p256_uint1 x28;
191   uint32_t x29;
192   fiat_p256_uint1 x30;
193   uint32_t x31;
194   fiat_p256_uint1 x32;
195   uint32_t x33;
196   fiat_p256_uint1 x34;
197   uint32_t x35;
198   fiat_p256_uint1 x36;
199   uint32_t x37;
200   fiat_p256_uint1 x38;
201   uint32_t x39;
202   uint32_t x40;
203   uint32_t x41;
204   uint32_t x42;
205   uint32_t x43;
206   uint32_t x44;
207   uint32_t x45;
208   uint32_t x46;
209   uint32_t x47;
210   uint32_t x48;
211   fiat_p256_uint1 x49;
212   uint32_t x50;
213   fiat_p256_uint1 x51;
214   uint32_t x52;
215   uint32_t x53;
216   fiat_p256_uint1 x54;
217   uint32_t x55;
218   fiat_p256_uint1 x56;
219   uint32_t x57;
220   fiat_p256_uint1 x58;
221   uint32_t x59;
222   fiat_p256_uint1 x60;
223   uint32_t x61;
224   fiat_p256_uint1 x62;
225   uint32_t x63;
226   fiat_p256_uint1 x64;
227   uint32_t x65;
228   fiat_p256_uint1 x66;
229   uint32_t x67;
230   fiat_p256_uint1 x68;
231   uint32_t x69;
232   fiat_p256_uint1 x70;
233   uint32_t x71;
234   uint32_t x72;
235   uint32_t x73;
236   uint32_t x74;
237   uint32_t x75;
238   uint32_t x76;
239   uint32_t x77;
240   uint32_t x78;
241   uint32_t x79;
242   uint32_t x80;
243   uint32_t x81;
244   uint32_t x82;
245   uint32_t x83;
246   uint32_t x84;
247   uint32_t x85;
248   uint32_t x86;
249   uint32_t x87;
250   fiat_p256_uint1 x88;
251   uint32_t x89;
252   fiat_p256_uint1 x90;
253   uint32_t x91;
254   fiat_p256_uint1 x92;
255   uint32_t x93;
256   fiat_p256_uint1 x94;
257   uint32_t x95;
258   fiat_p256_uint1 x96;
259   uint32_t x97;
260   fiat_p256_uint1 x98;
261   uint32_t x99;
262   fiat_p256_uint1 x100;
263   uint32_t x101;
264   uint32_t x102;
265   fiat_p256_uint1 x103;
266   uint32_t x104;
267   fiat_p256_uint1 x105;
268   uint32_t x106;
269   fiat_p256_uint1 x107;
270   uint32_t x108;
271   fiat_p256_uint1 x109;
272   uint32_t x110;
273   fiat_p256_uint1 x111;
274   uint32_t x112;
275   fiat_p256_uint1 x113;
276   uint32_t x114;
277   fiat_p256_uint1 x115;
278   uint32_t x116;
279   fiat_p256_uint1 x117;
280   uint32_t x118;
281   fiat_p256_uint1 x119;
282   uint32_t x120;
283   uint32_t x121;
284   uint32_t x122;
285   uint32_t x123;
286   uint32_t x124;
287   uint32_t x125;
288   uint32_t x126;
289   uint32_t x127;
290   uint32_t x128;
291   fiat_p256_uint1 x129;
292   uint32_t x130;
293   fiat_p256_uint1 x131;
294   uint32_t x132;
295   uint32_t x133;
296   fiat_p256_uint1 x134;
297   uint32_t x135;
298   fiat_p256_uint1 x136;
299   uint32_t x137;
300   fiat_p256_uint1 x138;
301   uint32_t x139;
302   fiat_p256_uint1 x140;
303   uint32_t x141;
304   fiat_p256_uint1 x142;
305   uint32_t x143;
306   fiat_p256_uint1 x144;
307   uint32_t x145;
308   fiat_p256_uint1 x146;
309   uint32_t x147;
310   fiat_p256_uint1 x148;
311   uint32_t x149;
312   fiat_p256_uint1 x150;
313   uint32_t x151;
314   uint32_t x152;
315   uint32_t x153;
316   uint32_t x154;
317   uint32_t x155;
318   uint32_t x156;
319   uint32_t x157;
320   uint32_t x158;
321   uint32_t x159;
322   uint32_t x160;
323   uint32_t x161;
324   uint32_t x162;
325   uint32_t x163;
326   uint32_t x164;
327   uint32_t x165;
328   uint32_t x166;
329   uint32_t x167;
330   uint32_t x168;
331   fiat_p256_uint1 x169;
332   uint32_t x170;
333   fiat_p256_uint1 x171;
334   uint32_t x172;
335   fiat_p256_uint1 x173;
336   uint32_t x174;
337   fiat_p256_uint1 x175;
338   uint32_t x176;
339   fiat_p256_uint1 x177;
340   uint32_t x178;
341   fiat_p256_uint1 x179;
342   uint32_t x180;
343   fiat_p256_uint1 x181;
344   uint32_t x182;
345   uint32_t x183;
346   fiat_p256_uint1 x184;
347   uint32_t x185;
348   fiat_p256_uint1 x186;
349   uint32_t x187;
350   fiat_p256_uint1 x188;
351   uint32_t x189;
352   fiat_p256_uint1 x190;
353   uint32_t x191;
354   fiat_p256_uint1 x192;
355   uint32_t x193;
356   fiat_p256_uint1 x194;
357   uint32_t x195;
358   fiat_p256_uint1 x196;
359   uint32_t x197;
360   fiat_p256_uint1 x198;
361   uint32_t x199;
362   fiat_p256_uint1 x200;
363   uint32_t x201;
364   uint32_t x202;
365   uint32_t x203;
366   uint32_t x204;
367   uint32_t x205;
368   uint32_t x206;
369   uint32_t x207;
370   uint32_t x208;
371   uint32_t x209;
372   fiat_p256_uint1 x210;
373   uint32_t x211;
374   fiat_p256_uint1 x212;
375   uint32_t x213;
376   uint32_t x214;
377   fiat_p256_uint1 x215;
378   uint32_t x216;
379   fiat_p256_uint1 x217;
380   uint32_t x218;
381   fiat_p256_uint1 x219;
382   uint32_t x220;
383   fiat_p256_uint1 x221;
384   uint32_t x222;
385   fiat_p256_uint1 x223;
386   uint32_t x224;
387   fiat_p256_uint1 x225;
388   uint32_t x226;
389   fiat_p256_uint1 x227;
390   uint32_t x228;
391   fiat_p256_uint1 x229;
392   uint32_t x230;
393   fiat_p256_uint1 x231;
394   uint32_t x232;
395   uint32_t x233;
396   uint32_t x234;
397   uint32_t x235;
398   uint32_t x236;
399   uint32_t x237;
400   uint32_t x238;
401   uint32_t x239;
402   uint32_t x240;
403   uint32_t x241;
404   uint32_t x242;
405   uint32_t x243;
406   uint32_t x244;
407   uint32_t x245;
408   uint32_t x246;
409   uint32_t x247;
410   uint32_t x248;
411   uint32_t x249;
412   fiat_p256_uint1 x250;
413   uint32_t x251;
414   fiat_p256_uint1 x252;
415   uint32_t x253;
416   fiat_p256_uint1 x254;
417   uint32_t x255;
418   fiat_p256_uint1 x256;
419   uint32_t x257;
420   fiat_p256_uint1 x258;
421   uint32_t x259;
422   fiat_p256_uint1 x260;
423   uint32_t x261;
424   fiat_p256_uint1 x262;
425   uint32_t x263;
426   uint32_t x264;
427   fiat_p256_uint1 x265;
428   uint32_t x266;
429   fiat_p256_uint1 x267;
430   uint32_t x268;
431   fiat_p256_uint1 x269;
432   uint32_t x270;
433   fiat_p256_uint1 x271;
434   uint32_t x272;
435   fiat_p256_uint1 x273;
436   uint32_t x274;
437   fiat_p256_uint1 x275;
438   uint32_t x276;
439   fiat_p256_uint1 x277;
440   uint32_t x278;
441   fiat_p256_uint1 x279;
442   uint32_t x280;
443   fiat_p256_uint1 x281;
444   uint32_t x282;
445   uint32_t x283;
446   uint32_t x284;
447   uint32_t x285;
448   uint32_t x286;
449   uint32_t x287;
450   uint32_t x288;
451   uint32_t x289;
452   uint32_t x290;
453   fiat_p256_uint1 x291;
454   uint32_t x292;
455   fiat_p256_uint1 x293;
456   uint32_t x294;
457   uint32_t x295;
458   fiat_p256_uint1 x296;
459   uint32_t x297;
460   fiat_p256_uint1 x298;
461   uint32_t x299;
462   fiat_p256_uint1 x300;
463   uint32_t x301;
464   fiat_p256_uint1 x302;
465   uint32_t x303;
466   fiat_p256_uint1 x304;
467   uint32_t x305;
468   fiat_p256_uint1 x306;
469   uint32_t x307;
470   fiat_p256_uint1 x308;
471   uint32_t x309;
472   fiat_p256_uint1 x310;
473   uint32_t x311;
474   fiat_p256_uint1 x312;
475   uint32_t x313;
476   uint32_t x314;
477   uint32_t x315;
478   uint32_t x316;
479   uint32_t x317;
480   uint32_t x318;
481   uint32_t x319;
482   uint32_t x320;
483   uint32_t x321;
484   uint32_t x322;
485   uint32_t x323;
486   uint32_t x324;
487   uint32_t x325;
488   uint32_t x326;
489   uint32_t x327;
490   uint32_t x328;
491   uint32_t x329;
492   uint32_t x330;
493   fiat_p256_uint1 x331;
494   uint32_t x332;
495   fiat_p256_uint1 x333;
496   uint32_t x334;
497   fiat_p256_uint1 x335;
498   uint32_t x336;
499   fiat_p256_uint1 x337;
500   uint32_t x338;
501   fiat_p256_uint1 x339;
502   uint32_t x340;
503   fiat_p256_uint1 x341;
504   uint32_t x342;
505   fiat_p256_uint1 x343;
506   uint32_t x344;
507   uint32_t x345;
508   fiat_p256_uint1 x346;
509   uint32_t x347;
510   fiat_p256_uint1 x348;
511   uint32_t x349;
512   fiat_p256_uint1 x350;
513   uint32_t x351;
514   fiat_p256_uint1 x352;
515   uint32_t x353;
516   fiat_p256_uint1 x354;
517   uint32_t x355;
518   fiat_p256_uint1 x356;
519   uint32_t x357;
520   fiat_p256_uint1 x358;
521   uint32_t x359;
522   fiat_p256_uint1 x360;
523   uint32_t x361;
524   fiat_p256_uint1 x362;
525   uint32_t x363;
526   uint32_t x364;
527   uint32_t x365;
528   uint32_t x366;
529   uint32_t x367;
530   uint32_t x368;
531   uint32_t x369;
532   uint32_t x370;
533   uint32_t x371;
534   fiat_p256_uint1 x372;
535   uint32_t x373;
536   fiat_p256_uint1 x374;
537   uint32_t x375;
538   uint32_t x376;
539   fiat_p256_uint1 x377;
540   uint32_t x378;
541   fiat_p256_uint1 x379;
542   uint32_t x380;
543   fiat_p256_uint1 x381;
544   uint32_t x382;
545   fiat_p256_uint1 x383;
546   uint32_t x384;
547   fiat_p256_uint1 x385;
548   uint32_t x386;
549   fiat_p256_uint1 x387;
550   uint32_t x388;
551   fiat_p256_uint1 x389;
552   uint32_t x390;
553   fiat_p256_uint1 x391;
554   uint32_t x392;
555   fiat_p256_uint1 x393;
556   uint32_t x394;
557   uint32_t x395;
558   uint32_t x396;
559   uint32_t x397;
560   uint32_t x398;
561   uint32_t x399;
562   uint32_t x400;
563   uint32_t x401;
564   uint32_t x402;
565   uint32_t x403;
566   uint32_t x404;
567   uint32_t x405;
568   uint32_t x406;
569   uint32_t x407;
570   uint32_t x408;
571   uint32_t x409;
572   uint32_t x410;
573   uint32_t x411;
574   fiat_p256_uint1 x412;
575   uint32_t x413;
576   fiat_p256_uint1 x414;
577   uint32_t x415;
578   fiat_p256_uint1 x416;
579   uint32_t x417;
580   fiat_p256_uint1 x418;
581   uint32_t x419;
582   fiat_p256_uint1 x420;
583   uint32_t x421;
584   fiat_p256_uint1 x422;
585   uint32_t x423;
586   fiat_p256_uint1 x424;
587   uint32_t x425;
588   uint32_t x426;
589   fiat_p256_uint1 x427;
590   uint32_t x428;
591   fiat_p256_uint1 x429;
592   uint32_t x430;
593   fiat_p256_uint1 x431;
594   uint32_t x432;
595   fiat_p256_uint1 x433;
596   uint32_t x434;
597   fiat_p256_uint1 x435;
598   uint32_t x436;
599   fiat_p256_uint1 x437;
600   uint32_t x438;
601   fiat_p256_uint1 x439;
602   uint32_t x440;
603   fiat_p256_uint1 x441;
604   uint32_t x442;
605   fiat_p256_uint1 x443;
606   uint32_t x444;
607   uint32_t x445;
608   uint32_t x446;
609   uint32_t x447;
610   uint32_t x448;
611   uint32_t x449;
612   uint32_t x450;
613   uint32_t x451;
614   uint32_t x452;
615   fiat_p256_uint1 x453;
616   uint32_t x454;
617   fiat_p256_uint1 x455;
618   uint32_t x456;
619   uint32_t x457;
620   fiat_p256_uint1 x458;
621   uint32_t x459;
622   fiat_p256_uint1 x460;
623   uint32_t x461;
624   fiat_p256_uint1 x462;
625   uint32_t x463;
626   fiat_p256_uint1 x464;
627   uint32_t x465;
628   fiat_p256_uint1 x466;
629   uint32_t x467;
630   fiat_p256_uint1 x468;
631   uint32_t x469;
632   fiat_p256_uint1 x470;
633   uint32_t x471;
634   fiat_p256_uint1 x472;
635   uint32_t x473;
636   fiat_p256_uint1 x474;
637   uint32_t x475;
638   uint32_t x476;
639   uint32_t x477;
640   uint32_t x478;
641   uint32_t x479;
642   uint32_t x480;
643   uint32_t x481;
644   uint32_t x482;
645   uint32_t x483;
646   uint32_t x484;
647   uint32_t x485;
648   uint32_t x486;
649   uint32_t x487;
650   uint32_t x488;
651   uint32_t x489;
652   uint32_t x490;
653   uint32_t x491;
654   uint32_t x492;
655   fiat_p256_uint1 x493;
656   uint32_t x494;
657   fiat_p256_uint1 x495;
658   uint32_t x496;
659   fiat_p256_uint1 x497;
660   uint32_t x498;
661   fiat_p256_uint1 x499;
662   uint32_t x500;
663   fiat_p256_uint1 x501;
664   uint32_t x502;
665   fiat_p256_uint1 x503;
666   uint32_t x504;
667   fiat_p256_uint1 x505;
668   uint32_t x506;
669   uint32_t x507;
670   fiat_p256_uint1 x508;
671   uint32_t x509;
672   fiat_p256_uint1 x510;
673   uint32_t x511;
674   fiat_p256_uint1 x512;
675   uint32_t x513;
676   fiat_p256_uint1 x514;
677   uint32_t x515;
678   fiat_p256_uint1 x516;
679   uint32_t x517;
680   fiat_p256_uint1 x518;
681   uint32_t x519;
682   fiat_p256_uint1 x520;
683   uint32_t x521;
684   fiat_p256_uint1 x522;
685   uint32_t x523;
686   fiat_p256_uint1 x524;
687   uint32_t x525;
688   uint32_t x526;
689   uint32_t x527;
690   uint32_t x528;
691   uint32_t x529;
692   uint32_t x530;
693   uint32_t x531;
694   uint32_t x532;
695   uint32_t x533;
696   fiat_p256_uint1 x534;
697   uint32_t x535;
698   fiat_p256_uint1 x536;
699   uint32_t x537;
700   uint32_t x538;
701   fiat_p256_uint1 x539;
702   uint32_t x540;
703   fiat_p256_uint1 x541;
704   uint32_t x542;
705   fiat_p256_uint1 x543;
706   uint32_t x544;
707   fiat_p256_uint1 x545;
708   uint32_t x546;
709   fiat_p256_uint1 x547;
710   uint32_t x548;
711   fiat_p256_uint1 x549;
712   uint32_t x550;
713   fiat_p256_uint1 x551;
714   uint32_t x552;
715   fiat_p256_uint1 x553;
716   uint32_t x554;
717   fiat_p256_uint1 x555;
718   uint32_t x556;
719   uint32_t x557;
720   uint32_t x558;
721   uint32_t x559;
722   uint32_t x560;
723   uint32_t x561;
724   uint32_t x562;
725   uint32_t x563;
726   uint32_t x564;
727   uint32_t x565;
728   uint32_t x566;
729   uint32_t x567;
730   uint32_t x568;
731   uint32_t x569;
732   uint32_t x570;
733   uint32_t x571;
734   uint32_t x572;
735   uint32_t x573;
736   fiat_p256_uint1 x574;
737   uint32_t x575;
738   fiat_p256_uint1 x576;
739   uint32_t x577;
740   fiat_p256_uint1 x578;
741   uint32_t x579;
742   fiat_p256_uint1 x580;
743   uint32_t x581;
744   fiat_p256_uint1 x582;
745   uint32_t x583;
746   fiat_p256_uint1 x584;
747   uint32_t x585;
748   fiat_p256_uint1 x586;
749   uint32_t x587;
750   uint32_t x588;
751   fiat_p256_uint1 x589;
752   uint32_t x590;
753   fiat_p256_uint1 x591;
754   uint32_t x592;
755   fiat_p256_uint1 x593;
756   uint32_t x594;
757   fiat_p256_uint1 x595;
758   uint32_t x596;
759   fiat_p256_uint1 x597;
760   uint32_t x598;
761   fiat_p256_uint1 x599;
762   uint32_t x600;
763   fiat_p256_uint1 x601;
764   uint32_t x602;
765   fiat_p256_uint1 x603;
766   uint32_t x604;
767   fiat_p256_uint1 x605;
768   uint32_t x606;
769   uint32_t x607;
770   uint32_t x608;
771   uint32_t x609;
772   uint32_t x610;
773   uint32_t x611;
774   uint32_t x612;
775   uint32_t x613;
776   uint32_t x614;
777   fiat_p256_uint1 x615;
778   uint32_t x616;
779   fiat_p256_uint1 x617;
780   uint32_t x618;
781   uint32_t x619;
782   fiat_p256_uint1 x620;
783   uint32_t x621;
784   fiat_p256_uint1 x622;
785   uint32_t x623;
786   fiat_p256_uint1 x624;
787   uint32_t x625;
788   fiat_p256_uint1 x626;
789   uint32_t x627;
790   fiat_p256_uint1 x628;
791   uint32_t x629;
792   fiat_p256_uint1 x630;
793   uint32_t x631;
794   fiat_p256_uint1 x632;
795   uint32_t x633;
796   fiat_p256_uint1 x634;
797   uint32_t x635;
798   fiat_p256_uint1 x636;
799   uint32_t x637;
800   uint32_t x638;
801   fiat_p256_uint1 x639;
802   uint32_t x640;
803   fiat_p256_uint1 x641;
804   uint32_t x642;
805   fiat_p256_uint1 x643;
806   uint32_t x644;
807   fiat_p256_uint1 x645;
808   uint32_t x646;
809   fiat_p256_uint1 x647;
810   uint32_t x648;
811   fiat_p256_uint1 x649;
812   uint32_t x650;
813   fiat_p256_uint1 x651;
814   uint32_t x652;
815   fiat_p256_uint1 x653;
816   uint32_t x654;
817   fiat_p256_uint1 x655;
818   uint32_t x656;
819   uint32_t x657;
820   uint32_t x658;
821   uint32_t x659;
822   uint32_t x660;
823   uint32_t x661;
824   uint32_t x662;
825   uint32_t x663;
826   x1 = (arg1[1]);
827   x2 = (arg1[2]);
828   x3 = (arg1[3]);
829   x4 = (arg1[4]);
830   x5 = (arg1[5]);
831   x6 = (arg1[6]);
832   x7 = (arg1[7]);
833   x8 = (arg1[0]);
834   fiat_p256_mulx_u32(&x9, &x10, x8, (arg2[7]));
835   fiat_p256_mulx_u32(&x11, &x12, x8, (arg2[6]));
836   fiat_p256_mulx_u32(&x13, &x14, x8, (arg2[5]));
837   fiat_p256_mulx_u32(&x15, &x16, x8, (arg2[4]));
838   fiat_p256_mulx_u32(&x17, &x18, x8, (arg2[3]));
839   fiat_p256_mulx_u32(&x19, &x20, x8, (arg2[2]));
840   fiat_p256_mulx_u32(&x21, &x22, x8, (arg2[1]));
841   fiat_p256_mulx_u32(&x23, &x24, x8, (arg2[0]));
842   fiat_p256_addcarryx_u32(&x25, &x26, 0x0, x24, x21);
843   fiat_p256_addcarryx_u32(&x27, &x28, x26, x22, x19);
844   fiat_p256_addcarryx_u32(&x29, &x30, x28, x20, x17);
845   fiat_p256_addcarryx_u32(&x31, &x32, x30, x18, x15);
846   fiat_p256_addcarryx_u32(&x33, &x34, x32, x16, x13);
847   fiat_p256_addcarryx_u32(&x35, &x36, x34, x14, x11);
848   fiat_p256_addcarryx_u32(&x37, &x38, x36, x12, x9);
849   x39 = (x38 + x10);
850   fiat_p256_mulx_u32(&x40, &x41, x23, UINT32_C(0xffffffff));
851   fiat_p256_mulx_u32(&x42, &x43, x23, UINT32_C(0xffffffff));
852   fiat_p256_mulx_u32(&x44, &x45, x23, UINT32_C(0xffffffff));
853   fiat_p256_mulx_u32(&x46, &x47, x23, UINT32_C(0xffffffff));
854   fiat_p256_addcarryx_u32(&x48, &x49, 0x0, x47, x44);
855   fiat_p256_addcarryx_u32(&x50, &x51, x49, x45, x42);
856   x52 = (x51 + x43);
857   fiat_p256_addcarryx_u32(&x53, &x54, 0x0, x23, x46);
858   fiat_p256_addcarryx_u32(&x55, &x56, x54, x25, x48);
859   fiat_p256_addcarryx_u32(&x57, &x58, x56, x27, x50);
860   fiat_p256_addcarryx_u32(&x59, &x60, x58, x29, x52);
861   fiat_p256_addcarryx_u32(&x61, &x62, x60, x31, 0x0);
862   fiat_p256_addcarryx_u32(&x63, &x64, x62, x33, 0x0);
863   fiat_p256_addcarryx_u32(&x65, &x66, x64, x35, x23);
864   fiat_p256_addcarryx_u32(&x67, &x68, x66, x37, x40);
865   fiat_p256_addcarryx_u32(&x69, &x70, x68, x39, x41);
866   fiat_p256_mulx_u32(&x71, &x72, x1, (arg2[7]));
867   fiat_p256_mulx_u32(&x73, &x74, x1, (arg2[6]));
868   fiat_p256_mulx_u32(&x75, &x76, x1, (arg2[5]));
869   fiat_p256_mulx_u32(&x77, &x78, x1, (arg2[4]));
870   fiat_p256_mulx_u32(&x79, &x80, x1, (arg2[3]));
871   fiat_p256_mulx_u32(&x81, &x82, x1, (arg2[2]));
872   fiat_p256_mulx_u32(&x83, &x84, x1, (arg2[1]));
873   fiat_p256_mulx_u32(&x85, &x86, x1, (arg2[0]));
874   fiat_p256_addcarryx_u32(&x87, &x88, 0x0, x86, x83);
875   fiat_p256_addcarryx_u32(&x89, &x90, x88, x84, x81);
876   fiat_p256_addcarryx_u32(&x91, &x92, x90, x82, x79);
877   fiat_p256_addcarryx_u32(&x93, &x94, x92, x80, x77);
878   fiat_p256_addcarryx_u32(&x95, &x96, x94, x78, x75);
879   fiat_p256_addcarryx_u32(&x97, &x98, x96, x76, x73);
880   fiat_p256_addcarryx_u32(&x99, &x100, x98, x74, x71);
881   x101 = (x100 + x72);
882   fiat_p256_addcarryx_u32(&x102, &x103, 0x0, x55, x85);
883   fiat_p256_addcarryx_u32(&x104, &x105, x103, x57, x87);
884   fiat_p256_addcarryx_u32(&x106, &x107, x105, x59, x89);
885   fiat_p256_addcarryx_u32(&x108, &x109, x107, x61, x91);
886   fiat_p256_addcarryx_u32(&x110, &x111, x109, x63, x93);
887   fiat_p256_addcarryx_u32(&x112, &x113, x111, x65, x95);
888   fiat_p256_addcarryx_u32(&x114, &x115, x113, x67, x97);
889   fiat_p256_addcarryx_u32(&x116, &x117, x115, x69, x99);
890   fiat_p256_addcarryx_u32(&x118, &x119, x117, x70, x101);
891   fiat_p256_mulx_u32(&x120, &x121, x102, UINT32_C(0xffffffff));
892   fiat_p256_mulx_u32(&x122, &x123, x102, UINT32_C(0xffffffff));
893   fiat_p256_mulx_u32(&x124, &x125, x102, UINT32_C(0xffffffff));
894   fiat_p256_mulx_u32(&x126, &x127, x102, UINT32_C(0xffffffff));
895   fiat_p256_addcarryx_u32(&x128, &x129, 0x0, x127, x124);
896   fiat_p256_addcarryx_u32(&x130, &x131, x129, x125, x122);
897   x132 = (x131 + x123);
898   fiat_p256_addcarryx_u32(&x133, &x134, 0x0, x102, x126);
899   fiat_p256_addcarryx_u32(&x135, &x136, x134, x104, x128);
900   fiat_p256_addcarryx_u32(&x137, &x138, x136, x106, x130);
901   fiat_p256_addcarryx_u32(&x139, &x140, x138, x108, x132);
902   fiat_p256_addcarryx_u32(&x141, &x142, x140, x110, 0x0);
903   fiat_p256_addcarryx_u32(&x143, &x144, x142, x112, 0x0);
904   fiat_p256_addcarryx_u32(&x145, &x146, x144, x114, x102);
905   fiat_p256_addcarryx_u32(&x147, &x148, x146, x116, x120);
906   fiat_p256_addcarryx_u32(&x149, &x150, x148, x118, x121);
907   x151 = ((uint32_t)x150 + x119);
908   fiat_p256_mulx_u32(&x152, &x153, x2, (arg2[7]));
909   fiat_p256_mulx_u32(&x154, &x155, x2, (arg2[6]));
910   fiat_p256_mulx_u32(&x156, &x157, x2, (arg2[5]));
911   fiat_p256_mulx_u32(&x158, &x159, x2, (arg2[4]));
912   fiat_p256_mulx_u32(&x160, &x161, x2, (arg2[3]));
913   fiat_p256_mulx_u32(&x162, &x163, x2, (arg2[2]));
914   fiat_p256_mulx_u32(&x164, &x165, x2, (arg2[1]));
915   fiat_p256_mulx_u32(&x166, &x167, x2, (arg2[0]));
916   fiat_p256_addcarryx_u32(&x168, &x169, 0x0, x167, x164);
917   fiat_p256_addcarryx_u32(&x170, &x171, x169, x165, x162);
918   fiat_p256_addcarryx_u32(&x172, &x173, x171, x163, x160);
919   fiat_p256_addcarryx_u32(&x174, &x175, x173, x161, x158);
920   fiat_p256_addcarryx_u32(&x176, &x177, x175, x159, x156);
921   fiat_p256_addcarryx_u32(&x178, &x179, x177, x157, x154);
922   fiat_p256_addcarryx_u32(&x180, &x181, x179, x155, x152);
923   x182 = (x181 + x153);
924   fiat_p256_addcarryx_u32(&x183, &x184, 0x0, x135, x166);
925   fiat_p256_addcarryx_u32(&x185, &x186, x184, x137, x168);
926   fiat_p256_addcarryx_u32(&x187, &x188, x186, x139, x170);
927   fiat_p256_addcarryx_u32(&x189, &x190, x188, x141, x172);
928   fiat_p256_addcarryx_u32(&x191, &x192, x190, x143, x174);
929   fiat_p256_addcarryx_u32(&x193, &x194, x192, x145, x176);
930   fiat_p256_addcarryx_u32(&x195, &x196, x194, x147, x178);
931   fiat_p256_addcarryx_u32(&x197, &x198, x196, x149, x180);
932   fiat_p256_addcarryx_u32(&x199, &x200, x198, x151, x182);
933   fiat_p256_mulx_u32(&x201, &x202, x183, UINT32_C(0xffffffff));
934   fiat_p256_mulx_u32(&x203, &x204, x183, UINT32_C(0xffffffff));
935   fiat_p256_mulx_u32(&x205, &x206, x183, UINT32_C(0xffffffff));
936   fiat_p256_mulx_u32(&x207, &x208, x183, UINT32_C(0xffffffff));
937   fiat_p256_addcarryx_u32(&x209, &x210, 0x0, x208, x205);
938   fiat_p256_addcarryx_u32(&x211, &x212, x210, x206, x203);
939   x213 = (x212 + x204);
940   fiat_p256_addcarryx_u32(&x214, &x215, 0x0, x183, x207);
941   fiat_p256_addcarryx_u32(&x216, &x217, x215, x185, x209);
942   fiat_p256_addcarryx_u32(&x218, &x219, x217, x187, x211);
943   fiat_p256_addcarryx_u32(&x220, &x221, x219, x189, x213);
944   fiat_p256_addcarryx_u32(&x222, &x223, x221, x191, 0x0);
945   fiat_p256_addcarryx_u32(&x224, &x225, x223, x193, 0x0);
946   fiat_p256_addcarryx_u32(&x226, &x227, x225, x195, x183);
947   fiat_p256_addcarryx_u32(&x228, &x229, x227, x197, x201);
948   fiat_p256_addcarryx_u32(&x230, &x231, x229, x199, x202);
949   x232 = ((uint32_t)x231 + x200);
950   fiat_p256_mulx_u32(&x233, &x234, x3, (arg2[7]));
951   fiat_p256_mulx_u32(&x235, &x236, x3, (arg2[6]));
952   fiat_p256_mulx_u32(&x237, &x238, x3, (arg2[5]));
953   fiat_p256_mulx_u32(&x239, &x240, x3, (arg2[4]));
954   fiat_p256_mulx_u32(&x241, &x242, x3, (arg2[3]));
955   fiat_p256_mulx_u32(&x243, &x244, x3, (arg2[2]));
956   fiat_p256_mulx_u32(&x245, &x246, x3, (arg2[1]));
957   fiat_p256_mulx_u32(&x247, &x248, x3, (arg2[0]));
958   fiat_p256_addcarryx_u32(&x249, &x250, 0x0, x248, x245);
959   fiat_p256_addcarryx_u32(&x251, &x252, x250, x246, x243);
960   fiat_p256_addcarryx_u32(&x253, &x254, x252, x244, x241);
961   fiat_p256_addcarryx_u32(&x255, &x256, x254, x242, x239);
962   fiat_p256_addcarryx_u32(&x257, &x258, x256, x240, x237);
963   fiat_p256_addcarryx_u32(&x259, &x260, x258, x238, x235);
964   fiat_p256_addcarryx_u32(&x261, &x262, x260, x236, x233);
965   x263 = (x262 + x234);
966   fiat_p256_addcarryx_u32(&x264, &x265, 0x0, x216, x247);
967   fiat_p256_addcarryx_u32(&x266, &x267, x265, x218, x249);
968   fiat_p256_addcarryx_u32(&x268, &x269, x267, x220, x251);
969   fiat_p256_addcarryx_u32(&x270, &x271, x269, x222, x253);
970   fiat_p256_addcarryx_u32(&x272, &x273, x271, x224, x255);
971   fiat_p256_addcarryx_u32(&x274, &x275, x273, x226, x257);
972   fiat_p256_addcarryx_u32(&x276, &x277, x275, x228, x259);
973   fiat_p256_addcarryx_u32(&x278, &x279, x277, x230, x261);
974   fiat_p256_addcarryx_u32(&x280, &x281, x279, x232, x263);
975   fiat_p256_mulx_u32(&x282, &x283, x264, UINT32_C(0xffffffff));
976   fiat_p256_mulx_u32(&x284, &x285, x264, UINT32_C(0xffffffff));
977   fiat_p256_mulx_u32(&x286, &x287, x264, UINT32_C(0xffffffff));
978   fiat_p256_mulx_u32(&x288, &x289, x264, UINT32_C(0xffffffff));
979   fiat_p256_addcarryx_u32(&x290, &x291, 0x0, x289, x286);
980   fiat_p256_addcarryx_u32(&x292, &x293, x291, x287, x284);
981   x294 = (x293 + x285);
982   fiat_p256_addcarryx_u32(&x295, &x296, 0x0, x264, x288);
983   fiat_p256_addcarryx_u32(&x297, &x298, x296, x266, x290);
984   fiat_p256_addcarryx_u32(&x299, &x300, x298, x268, x292);
985   fiat_p256_addcarryx_u32(&x301, &x302, x300, x270, x294);
986   fiat_p256_addcarryx_u32(&x303, &x304, x302, x272, 0x0);
987   fiat_p256_addcarryx_u32(&x305, &x306, x304, x274, 0x0);
988   fiat_p256_addcarryx_u32(&x307, &x308, x306, x276, x264);
989   fiat_p256_addcarryx_u32(&x309, &x310, x308, x278, x282);
990   fiat_p256_addcarryx_u32(&x311, &x312, x310, x280, x283);
991   x313 = ((uint32_t)x312 + x281);
992   fiat_p256_mulx_u32(&x314, &x315, x4, (arg2[7]));
993   fiat_p256_mulx_u32(&x316, &x317, x4, (arg2[6]));
994   fiat_p256_mulx_u32(&x318, &x319, x4, (arg2[5]));
995   fiat_p256_mulx_u32(&x320, &x321, x4, (arg2[4]));
996   fiat_p256_mulx_u32(&x322, &x323, x4, (arg2[3]));
997   fiat_p256_mulx_u32(&x324, &x325, x4, (arg2[2]));
998   fiat_p256_mulx_u32(&x326, &x327, x4, (arg2[1]));
999   fiat_p256_mulx_u32(&x328, &x329, x4, (arg2[0]));
1000   fiat_p256_addcarryx_u32(&x330, &x331, 0x0, x329, x326);
1001   fiat_p256_addcarryx_u32(&x332, &x333, x331, x327, x324);
1002   fiat_p256_addcarryx_u32(&x334, &x335, x333, x325, x322);
1003   fiat_p256_addcarryx_u32(&x336, &x337, x335, x323, x320);
1004   fiat_p256_addcarryx_u32(&x338, &x339, x337, x321, x318);
1005   fiat_p256_addcarryx_u32(&x340, &x341, x339, x319, x316);
1006   fiat_p256_addcarryx_u32(&x342, &x343, x341, x317, x314);
1007   x344 = (x343 + x315);
1008   fiat_p256_addcarryx_u32(&x345, &x346, 0x0, x297, x328);
1009   fiat_p256_addcarryx_u32(&x347, &x348, x346, x299, x330);
1010   fiat_p256_addcarryx_u32(&x349, &x350, x348, x301, x332);
1011   fiat_p256_addcarryx_u32(&x351, &x352, x350, x303, x334);
1012   fiat_p256_addcarryx_u32(&x353, &x354, x352, x305, x336);
1013   fiat_p256_addcarryx_u32(&x355, &x356, x354, x307, x338);
1014   fiat_p256_addcarryx_u32(&x357, &x358, x356, x309, x340);
1015   fiat_p256_addcarryx_u32(&x359, &x360, x358, x311, x342);
1016   fiat_p256_addcarryx_u32(&x361, &x362, x360, x313, x344);
1017   fiat_p256_mulx_u32(&x363, &x364, x345, UINT32_C(0xffffffff));
1018   fiat_p256_mulx_u32(&x365, &x366, x345, UINT32_C(0xffffffff));
1019   fiat_p256_mulx_u32(&x367, &x368, x345, UINT32_C(0xffffffff));
1020   fiat_p256_mulx_u32(&x369, &x370, x345, UINT32_C(0xffffffff));
1021   fiat_p256_addcarryx_u32(&x371, &x372, 0x0, x370, x367);
1022   fiat_p256_addcarryx_u32(&x373, &x374, x372, x368, x365);
1023   x375 = (x374 + x366);
1024   fiat_p256_addcarryx_u32(&x376, &x377, 0x0, x345, x369);
1025   fiat_p256_addcarryx_u32(&x378, &x379, x377, x347, x371);
1026   fiat_p256_addcarryx_u32(&x380, &x381, x379, x349, x373);
1027   fiat_p256_addcarryx_u32(&x382, &x383, x381, x351, x375);
1028   fiat_p256_addcarryx_u32(&x384, &x385, x383, x353, 0x0);
1029   fiat_p256_addcarryx_u32(&x386, &x387, x385, x355, 0x0);
1030   fiat_p256_addcarryx_u32(&x388, &x389, x387, x357, x345);
1031   fiat_p256_addcarryx_u32(&x390, &x391, x389, x359, x363);
1032   fiat_p256_addcarryx_u32(&x392, &x393, x391, x361, x364);
1033   x394 = ((uint32_t)x393 + x362);
1034   fiat_p256_mulx_u32(&x395, &x396, x5, (arg2[7]));
1035   fiat_p256_mulx_u32(&x397, &x398, x5, (arg2[6]));
1036   fiat_p256_mulx_u32(&x399, &x400, x5, (arg2[5]));
1037   fiat_p256_mulx_u32(&x401, &x402, x5, (arg2[4]));
1038   fiat_p256_mulx_u32(&x403, &x404, x5, (arg2[3]));
1039   fiat_p256_mulx_u32(&x405, &x406, x5, (arg2[2]));
1040   fiat_p256_mulx_u32(&x407, &x408, x5, (arg2[1]));
1041   fiat_p256_mulx_u32(&x409, &x410, x5, (arg2[0]));
1042   fiat_p256_addcarryx_u32(&x411, &x412, 0x0, x410, x407);
1043   fiat_p256_addcarryx_u32(&x413, &x414, x412, x408, x405);
1044   fiat_p256_addcarryx_u32(&x415, &x416, x414, x406, x403);
1045   fiat_p256_addcarryx_u32(&x417, &x418, x416, x404, x401);
1046   fiat_p256_addcarryx_u32(&x419, &x420, x418, x402, x399);
1047   fiat_p256_addcarryx_u32(&x421, &x422, x420, x400, x397);
1048   fiat_p256_addcarryx_u32(&x423, &x424, x422, x398, x395);
1049   x425 = (x424 + x396);
1050   fiat_p256_addcarryx_u32(&x426, &x427, 0x0, x378, x409);
1051   fiat_p256_addcarryx_u32(&x428, &x429, x427, x380, x411);
1052   fiat_p256_addcarryx_u32(&x430, &x431, x429, x382, x413);
1053   fiat_p256_addcarryx_u32(&x432, &x433, x431, x384, x415);
1054   fiat_p256_addcarryx_u32(&x434, &x435, x433, x386, x417);
1055   fiat_p256_addcarryx_u32(&x436, &x437, x435, x388, x419);
1056   fiat_p256_addcarryx_u32(&x438, &x439, x437, x390, x421);
1057   fiat_p256_addcarryx_u32(&x440, &x441, x439, x392, x423);
1058   fiat_p256_addcarryx_u32(&x442, &x443, x441, x394, x425);
1059   fiat_p256_mulx_u32(&x444, &x445, x426, UINT32_C(0xffffffff));
1060   fiat_p256_mulx_u32(&x446, &x447, x426, UINT32_C(0xffffffff));
1061   fiat_p256_mulx_u32(&x448, &x449, x426, UINT32_C(0xffffffff));
1062   fiat_p256_mulx_u32(&x450, &x451, x426, UINT32_C(0xffffffff));
1063   fiat_p256_addcarryx_u32(&x452, &x453, 0x0, x451, x448);
1064   fiat_p256_addcarryx_u32(&x454, &x455, x453, x449, x446);
1065   x456 = (x455 + x447);
1066   fiat_p256_addcarryx_u32(&x457, &x458, 0x0, x426, x450);
1067   fiat_p256_addcarryx_u32(&x459, &x460, x458, x428, x452);
1068   fiat_p256_addcarryx_u32(&x461, &x462, x460, x430, x454);
1069   fiat_p256_addcarryx_u32(&x463, &x464, x462, x432, x456);
1070   fiat_p256_addcarryx_u32(&x465, &x466, x464, x434, 0x0);
1071   fiat_p256_addcarryx_u32(&x467, &x468, x466, x436, 0x0);
1072   fiat_p256_addcarryx_u32(&x469, &x470, x468, x438, x426);
1073   fiat_p256_addcarryx_u32(&x471, &x472, x470, x440, x444);
1074   fiat_p256_addcarryx_u32(&x473, &x474, x472, x442, x445);
1075   x475 = ((uint32_t)x474 + x443);
1076   fiat_p256_mulx_u32(&x476, &x477, x6, (arg2[7]));
1077   fiat_p256_mulx_u32(&x478, &x479, x6, (arg2[6]));
1078   fiat_p256_mulx_u32(&x480, &x481, x6, (arg2[5]));
1079   fiat_p256_mulx_u32(&x482, &x483, x6, (arg2[4]));
1080   fiat_p256_mulx_u32(&x484, &x485, x6, (arg2[3]));
1081   fiat_p256_mulx_u32(&x486, &x487, x6, (arg2[2]));
1082   fiat_p256_mulx_u32(&x488, &x489, x6, (arg2[1]));
1083   fiat_p256_mulx_u32(&x490, &x491, x6, (arg2[0]));
1084   fiat_p256_addcarryx_u32(&x492, &x493, 0x0, x491, x488);
1085   fiat_p256_addcarryx_u32(&x494, &x495, x493, x489, x486);
1086   fiat_p256_addcarryx_u32(&x496, &x497, x495, x487, x484);
1087   fiat_p256_addcarryx_u32(&x498, &x499, x497, x485, x482);
1088   fiat_p256_addcarryx_u32(&x500, &x501, x499, x483, x480);
1089   fiat_p256_addcarryx_u32(&x502, &x503, x501, x481, x478);
1090   fiat_p256_addcarryx_u32(&x504, &x505, x503, x479, x476);
1091   x506 = (x505 + x477);
1092   fiat_p256_addcarryx_u32(&x507, &x508, 0x0, x459, x490);
1093   fiat_p256_addcarryx_u32(&x509, &x510, x508, x461, x492);
1094   fiat_p256_addcarryx_u32(&x511, &x512, x510, x463, x494);
1095   fiat_p256_addcarryx_u32(&x513, &x514, x512, x465, x496);
1096   fiat_p256_addcarryx_u32(&x515, &x516, x514, x467, x498);
1097   fiat_p256_addcarryx_u32(&x517, &x518, x516, x469, x500);
1098   fiat_p256_addcarryx_u32(&x519, &x520, x518, x471, x502);
1099   fiat_p256_addcarryx_u32(&x521, &x522, x520, x473, x504);
1100   fiat_p256_addcarryx_u32(&x523, &x524, x522, x475, x506);
1101   fiat_p256_mulx_u32(&x525, &x526, x507, UINT32_C(0xffffffff));
1102   fiat_p256_mulx_u32(&x527, &x528, x507, UINT32_C(0xffffffff));
1103   fiat_p256_mulx_u32(&x529, &x530, x507, UINT32_C(0xffffffff));
1104   fiat_p256_mulx_u32(&x531, &x532, x507, UINT32_C(0xffffffff));
1105   fiat_p256_addcarryx_u32(&x533, &x534, 0x0, x532, x529);
1106   fiat_p256_addcarryx_u32(&x535, &x536, x534, x530, x527);
1107   x537 = (x536 + x528);
1108   fiat_p256_addcarryx_u32(&x538, &x539, 0x0, x507, x531);
1109   fiat_p256_addcarryx_u32(&x540, &x541, x539, x509, x533);
1110   fiat_p256_addcarryx_u32(&x542, &x543, x541, x511, x535);
1111   fiat_p256_addcarryx_u32(&x544, &x545, x543, x513, x537);
1112   fiat_p256_addcarryx_u32(&x546, &x547, x545, x515, 0x0);
1113   fiat_p256_addcarryx_u32(&x548, &x549, x547, x517, 0x0);
1114   fiat_p256_addcarryx_u32(&x550, &x551, x549, x519, x507);
1115   fiat_p256_addcarryx_u32(&x552, &x553, x551, x521, x525);
1116   fiat_p256_addcarryx_u32(&x554, &x555, x553, x523, x526);
1117   x556 = ((uint32_t)x555 + x524);
1118   fiat_p256_mulx_u32(&x557, &x558, x7, (arg2[7]));
1119   fiat_p256_mulx_u32(&x559, &x560, x7, (arg2[6]));
1120   fiat_p256_mulx_u32(&x561, &x562, x7, (arg2[5]));
1121   fiat_p256_mulx_u32(&x563, &x564, x7, (arg2[4]));
1122   fiat_p256_mulx_u32(&x565, &x566, x7, (arg2[3]));
1123   fiat_p256_mulx_u32(&x567, &x568, x7, (arg2[2]));
1124   fiat_p256_mulx_u32(&x569, &x570, x7, (arg2[1]));
1125   fiat_p256_mulx_u32(&x571, &x572, x7, (arg2[0]));
1126   fiat_p256_addcarryx_u32(&x573, &x574, 0x0, x572, x569);
1127   fiat_p256_addcarryx_u32(&x575, &x576, x574, x570, x567);
1128   fiat_p256_addcarryx_u32(&x577, &x578, x576, x568, x565);
1129   fiat_p256_addcarryx_u32(&x579, &x580, x578, x566, x563);
1130   fiat_p256_addcarryx_u32(&x581, &x582, x580, x564, x561);
1131   fiat_p256_addcarryx_u32(&x583, &x584, x582, x562, x559);
1132   fiat_p256_addcarryx_u32(&x585, &x586, x584, x560, x557);
1133   x587 = (x586 + x558);
1134   fiat_p256_addcarryx_u32(&x588, &x589, 0x0, x540, x571);
1135   fiat_p256_addcarryx_u32(&x590, &x591, x589, x542, x573);
1136   fiat_p256_addcarryx_u32(&x592, &x593, x591, x544, x575);
1137   fiat_p256_addcarryx_u32(&x594, &x595, x593, x546, x577);
1138   fiat_p256_addcarryx_u32(&x596, &x597, x595, x548, x579);
1139   fiat_p256_addcarryx_u32(&x598, &x599, x597, x550, x581);
1140   fiat_p256_addcarryx_u32(&x600, &x601, x599, x552, x583);
1141   fiat_p256_addcarryx_u32(&x602, &x603, x601, x554, x585);
1142   fiat_p256_addcarryx_u32(&x604, &x605, x603, x556, x587);
1143   fiat_p256_mulx_u32(&x606, &x607, x588, UINT32_C(0xffffffff));
1144   fiat_p256_mulx_u32(&x608, &x609, x588, UINT32_C(0xffffffff));
1145   fiat_p256_mulx_u32(&x610, &x611, x588, UINT32_C(0xffffffff));
1146   fiat_p256_mulx_u32(&x612, &x613, x588, UINT32_C(0xffffffff));
1147   fiat_p256_addcarryx_u32(&x614, &x615, 0x0, x613, x610);
1148   fiat_p256_addcarryx_u32(&x616, &x617, x615, x611, x608);
1149   x618 = (x617 + x609);
1150   fiat_p256_addcarryx_u32(&x619, &x620, 0x0, x588, x612);
1151   fiat_p256_addcarryx_u32(&x621, &x622, x620, x590, x614);
1152   fiat_p256_addcarryx_u32(&x623, &x624, x622, x592, x616);
1153   fiat_p256_addcarryx_u32(&x625, &x626, x624, x594, x618);
1154   fiat_p256_addcarryx_u32(&x627, &x628, x626, x596, 0x0);
1155   fiat_p256_addcarryx_u32(&x629, &x630, x628, x598, 0x0);
1156   fiat_p256_addcarryx_u32(&x631, &x632, x630, x600, x588);
1157   fiat_p256_addcarryx_u32(&x633, &x634, x632, x602, x606);
1158   fiat_p256_addcarryx_u32(&x635, &x636, x634, x604, x607);
1159   x637 = ((uint32_t)x636 + x605);
1160   fiat_p256_subborrowx_u32(&x638, &x639, 0x0, x621, UINT32_C(0xffffffff));
1161   fiat_p256_subborrowx_u32(&x640, &x641, x639, x623, UINT32_C(0xffffffff));
1162   fiat_p256_subborrowx_u32(&x642, &x643, x641, x625, UINT32_C(0xffffffff));
1163   fiat_p256_subborrowx_u32(&x644, &x645, x643, x627, 0x0);
1164   fiat_p256_subborrowx_u32(&x646, &x647, x645, x629, 0x0);
1165   fiat_p256_subborrowx_u32(&x648, &x649, x647, x631, 0x0);
1166   fiat_p256_subborrowx_u32(&x650, &x651, x649, x633, 0x1);
1167   fiat_p256_subborrowx_u32(&x652, &x653, x651, x635, UINT32_C(0xffffffff));
1168   fiat_p256_subborrowx_u32(&x654, &x655, x653, x637, 0x0);
1169   fiat_p256_cmovznz_u32(&x656, x655, x638, x621);
1170   fiat_p256_cmovznz_u32(&x657, x655, x640, x623);
1171   fiat_p256_cmovznz_u32(&x658, x655, x642, x625);
1172   fiat_p256_cmovznz_u32(&x659, x655, x644, x627);
1173   fiat_p256_cmovznz_u32(&x660, x655, x646, x629);
1174   fiat_p256_cmovznz_u32(&x661, x655, x648, x631);
1175   fiat_p256_cmovznz_u32(&x662, x655, x650, x633);
1176   fiat_p256_cmovznz_u32(&x663, x655, x652, x635);
1177   out1[0] = x656;
1178   out1[1] = x657;
1179   out1[2] = x658;
1180   out1[3] = x659;
1181   out1[4] = x660;
1182   out1[5] = x661;
1183   out1[6] = x662;
1184   out1[7] = x663;
1185 }
1186 
1187 /*
1188  * The function fiat_p256_square squares a field element in the Montgomery domain.
1189  *
1190  * Preconditions:
1191  *   0 ≤ eval arg1 < m
1192  * Postconditions:
1193  *   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
1194  *   0 ≤ eval out1 < m
1195  *
1196  */
fiat_p256_square(fiat_p256_montgomery_domain_field_element out1,const fiat_p256_montgomery_domain_field_element arg1)1197 static FIAT_P256_FIAT_INLINE void fiat_p256_square(fiat_p256_montgomery_domain_field_element out1, const fiat_p256_montgomery_domain_field_element arg1) {
1198   uint32_t x1;
1199   uint32_t x2;
1200   uint32_t x3;
1201   uint32_t x4;
1202   uint32_t x5;
1203   uint32_t x6;
1204   uint32_t x7;
1205   uint32_t x8;
1206   uint32_t x9;
1207   uint32_t x10;
1208   uint32_t x11;
1209   uint32_t x12;
1210   uint32_t x13;
1211   uint32_t x14;
1212   uint32_t x15;
1213   uint32_t x16;
1214   uint32_t x17;
1215   uint32_t x18;
1216   uint32_t x19;
1217   uint32_t x20;
1218   uint32_t x21;
1219   uint32_t x22;
1220   uint32_t x23;
1221   uint32_t x24;
1222   uint32_t x25;
1223   fiat_p256_uint1 x26;
1224   uint32_t x27;
1225   fiat_p256_uint1 x28;
1226   uint32_t x29;
1227   fiat_p256_uint1 x30;
1228   uint32_t x31;
1229   fiat_p256_uint1 x32;
1230   uint32_t x33;
1231   fiat_p256_uint1 x34;
1232   uint32_t x35;
1233   fiat_p256_uint1 x36;
1234   uint32_t x37;
1235   fiat_p256_uint1 x38;
1236   uint32_t x39;
1237   uint32_t x40;
1238   uint32_t x41;
1239   uint32_t x42;
1240   uint32_t x43;
1241   uint32_t x44;
1242   uint32_t x45;
1243   uint32_t x46;
1244   uint32_t x47;
1245   uint32_t x48;
1246   fiat_p256_uint1 x49;
1247   uint32_t x50;
1248   fiat_p256_uint1 x51;
1249   uint32_t x52;
1250   uint32_t x53;
1251   fiat_p256_uint1 x54;
1252   uint32_t x55;
1253   fiat_p256_uint1 x56;
1254   uint32_t x57;
1255   fiat_p256_uint1 x58;
1256   uint32_t x59;
1257   fiat_p256_uint1 x60;
1258   uint32_t x61;
1259   fiat_p256_uint1 x62;
1260   uint32_t x63;
1261   fiat_p256_uint1 x64;
1262   uint32_t x65;
1263   fiat_p256_uint1 x66;
1264   uint32_t x67;
1265   fiat_p256_uint1 x68;
1266   uint32_t x69;
1267   fiat_p256_uint1 x70;
1268   uint32_t x71;
1269   uint32_t x72;
1270   uint32_t x73;
1271   uint32_t x74;
1272   uint32_t x75;
1273   uint32_t x76;
1274   uint32_t x77;
1275   uint32_t x78;
1276   uint32_t x79;
1277   uint32_t x80;
1278   uint32_t x81;
1279   uint32_t x82;
1280   uint32_t x83;
1281   uint32_t x84;
1282   uint32_t x85;
1283   uint32_t x86;
1284   uint32_t x87;
1285   fiat_p256_uint1 x88;
1286   uint32_t x89;
1287   fiat_p256_uint1 x90;
1288   uint32_t x91;
1289   fiat_p256_uint1 x92;
1290   uint32_t x93;
1291   fiat_p256_uint1 x94;
1292   uint32_t x95;
1293   fiat_p256_uint1 x96;
1294   uint32_t x97;
1295   fiat_p256_uint1 x98;
1296   uint32_t x99;
1297   fiat_p256_uint1 x100;
1298   uint32_t x101;
1299   uint32_t x102;
1300   fiat_p256_uint1 x103;
1301   uint32_t x104;
1302   fiat_p256_uint1 x105;
1303   uint32_t x106;
1304   fiat_p256_uint1 x107;
1305   uint32_t x108;
1306   fiat_p256_uint1 x109;
1307   uint32_t x110;
1308   fiat_p256_uint1 x111;
1309   uint32_t x112;
1310   fiat_p256_uint1 x113;
1311   uint32_t x114;
1312   fiat_p256_uint1 x115;
1313   uint32_t x116;
1314   fiat_p256_uint1 x117;
1315   uint32_t x118;
1316   fiat_p256_uint1 x119;
1317   uint32_t x120;
1318   uint32_t x121;
1319   uint32_t x122;
1320   uint32_t x123;
1321   uint32_t x124;
1322   uint32_t x125;
1323   uint32_t x126;
1324   uint32_t x127;
1325   uint32_t x128;
1326   fiat_p256_uint1 x129;
1327   uint32_t x130;
1328   fiat_p256_uint1 x131;
1329   uint32_t x132;
1330   uint32_t x133;
1331   fiat_p256_uint1 x134;
1332   uint32_t x135;
1333   fiat_p256_uint1 x136;
1334   uint32_t x137;
1335   fiat_p256_uint1 x138;
1336   uint32_t x139;
1337   fiat_p256_uint1 x140;
1338   uint32_t x141;
1339   fiat_p256_uint1 x142;
1340   uint32_t x143;
1341   fiat_p256_uint1 x144;
1342   uint32_t x145;
1343   fiat_p256_uint1 x146;
1344   uint32_t x147;
1345   fiat_p256_uint1 x148;
1346   uint32_t x149;
1347   fiat_p256_uint1 x150;
1348   uint32_t x151;
1349   uint32_t x152;
1350   uint32_t x153;
1351   uint32_t x154;
1352   uint32_t x155;
1353   uint32_t x156;
1354   uint32_t x157;
1355   uint32_t x158;
1356   uint32_t x159;
1357   uint32_t x160;
1358   uint32_t x161;
1359   uint32_t x162;
1360   uint32_t x163;
1361   uint32_t x164;
1362   uint32_t x165;
1363   uint32_t x166;
1364   uint32_t x167;
1365   uint32_t x168;
1366   fiat_p256_uint1 x169;
1367   uint32_t x170;
1368   fiat_p256_uint1 x171;
1369   uint32_t x172;
1370   fiat_p256_uint1 x173;
1371   uint32_t x174;
1372   fiat_p256_uint1 x175;
1373   uint32_t x176;
1374   fiat_p256_uint1 x177;
1375   uint32_t x178;
1376   fiat_p256_uint1 x179;
1377   uint32_t x180;
1378   fiat_p256_uint1 x181;
1379   uint32_t x182;
1380   uint32_t x183;
1381   fiat_p256_uint1 x184;
1382   uint32_t x185;
1383   fiat_p256_uint1 x186;
1384   uint32_t x187;
1385   fiat_p256_uint1 x188;
1386   uint32_t x189;
1387   fiat_p256_uint1 x190;
1388   uint32_t x191;
1389   fiat_p256_uint1 x192;
1390   uint32_t x193;
1391   fiat_p256_uint1 x194;
1392   uint32_t x195;
1393   fiat_p256_uint1 x196;
1394   uint32_t x197;
1395   fiat_p256_uint1 x198;
1396   uint32_t x199;
1397   fiat_p256_uint1 x200;
1398   uint32_t x201;
1399   uint32_t x202;
1400   uint32_t x203;
1401   uint32_t x204;
1402   uint32_t x205;
1403   uint32_t x206;
1404   uint32_t x207;
1405   uint32_t x208;
1406   uint32_t x209;
1407   fiat_p256_uint1 x210;
1408   uint32_t x211;
1409   fiat_p256_uint1 x212;
1410   uint32_t x213;
1411   uint32_t x214;
1412   fiat_p256_uint1 x215;
1413   uint32_t x216;
1414   fiat_p256_uint1 x217;
1415   uint32_t x218;
1416   fiat_p256_uint1 x219;
1417   uint32_t x220;
1418   fiat_p256_uint1 x221;
1419   uint32_t x222;
1420   fiat_p256_uint1 x223;
1421   uint32_t x224;
1422   fiat_p256_uint1 x225;
1423   uint32_t x226;
1424   fiat_p256_uint1 x227;
1425   uint32_t x228;
1426   fiat_p256_uint1 x229;
1427   uint32_t x230;
1428   fiat_p256_uint1 x231;
1429   uint32_t x232;
1430   uint32_t x233;
1431   uint32_t x234;
1432   uint32_t x235;
1433   uint32_t x236;
1434   uint32_t x237;
1435   uint32_t x238;
1436   uint32_t x239;
1437   uint32_t x240;
1438   uint32_t x241;
1439   uint32_t x242;
1440   uint32_t x243;
1441   uint32_t x244;
1442   uint32_t x245;
1443   uint32_t x246;
1444   uint32_t x247;
1445   uint32_t x248;
1446   uint32_t x249;
1447   fiat_p256_uint1 x250;
1448   uint32_t x251;
1449   fiat_p256_uint1 x252;
1450   uint32_t x253;
1451   fiat_p256_uint1 x254;
1452   uint32_t x255;
1453   fiat_p256_uint1 x256;
1454   uint32_t x257;
1455   fiat_p256_uint1 x258;
1456   uint32_t x259;
1457   fiat_p256_uint1 x260;
1458   uint32_t x261;
1459   fiat_p256_uint1 x262;
1460   uint32_t x263;
1461   uint32_t x264;
1462   fiat_p256_uint1 x265;
1463   uint32_t x266;
1464   fiat_p256_uint1 x267;
1465   uint32_t x268;
1466   fiat_p256_uint1 x269;
1467   uint32_t x270;
1468   fiat_p256_uint1 x271;
1469   uint32_t x272;
1470   fiat_p256_uint1 x273;
1471   uint32_t x274;
1472   fiat_p256_uint1 x275;
1473   uint32_t x276;
1474   fiat_p256_uint1 x277;
1475   uint32_t x278;
1476   fiat_p256_uint1 x279;
1477   uint32_t x280;
1478   fiat_p256_uint1 x281;
1479   uint32_t x282;
1480   uint32_t x283;
1481   uint32_t x284;
1482   uint32_t x285;
1483   uint32_t x286;
1484   uint32_t x287;
1485   uint32_t x288;
1486   uint32_t x289;
1487   uint32_t x290;
1488   fiat_p256_uint1 x291;
1489   uint32_t x292;
1490   fiat_p256_uint1 x293;
1491   uint32_t x294;
1492   uint32_t x295;
1493   fiat_p256_uint1 x296;
1494   uint32_t x297;
1495   fiat_p256_uint1 x298;
1496   uint32_t x299;
1497   fiat_p256_uint1 x300;
1498   uint32_t x301;
1499   fiat_p256_uint1 x302;
1500   uint32_t x303;
1501   fiat_p256_uint1 x304;
1502   uint32_t x305;
1503   fiat_p256_uint1 x306;
1504   uint32_t x307;
1505   fiat_p256_uint1 x308;
1506   uint32_t x309;
1507   fiat_p256_uint1 x310;
1508   uint32_t x311;
1509   fiat_p256_uint1 x312;
1510   uint32_t x313;
1511   uint32_t x314;
1512   uint32_t x315;
1513   uint32_t x316;
1514   uint32_t x317;
1515   uint32_t x318;
1516   uint32_t x319;
1517   uint32_t x320;
1518   uint32_t x321;
1519   uint32_t x322;
1520   uint32_t x323;
1521   uint32_t x324;
1522   uint32_t x325;
1523   uint32_t x326;
1524   uint32_t x327;
1525   uint32_t x328;
1526   uint32_t x329;
1527   uint32_t x330;
1528   fiat_p256_uint1 x331;
1529   uint32_t x332;
1530   fiat_p256_uint1 x333;
1531   uint32_t x334;
1532   fiat_p256_uint1 x335;
1533   uint32_t x336;
1534   fiat_p256_uint1 x337;
1535   uint32_t x338;
1536   fiat_p256_uint1 x339;
1537   uint32_t x340;
1538   fiat_p256_uint1 x341;
1539   uint32_t x342;
1540   fiat_p256_uint1 x343;
1541   uint32_t x344;
1542   uint32_t x345;
1543   fiat_p256_uint1 x346;
1544   uint32_t x347;
1545   fiat_p256_uint1 x348;
1546   uint32_t x349;
1547   fiat_p256_uint1 x350;
1548   uint32_t x351;
1549   fiat_p256_uint1 x352;
1550   uint32_t x353;
1551   fiat_p256_uint1 x354;
1552   uint32_t x355;
1553   fiat_p256_uint1 x356;
1554   uint32_t x357;
1555   fiat_p256_uint1 x358;
1556   uint32_t x359;
1557   fiat_p256_uint1 x360;
1558   uint32_t x361;
1559   fiat_p256_uint1 x362;
1560   uint32_t x363;
1561   uint32_t x364;
1562   uint32_t x365;
1563   uint32_t x366;
1564   uint32_t x367;
1565   uint32_t x368;
1566   uint32_t x369;
1567   uint32_t x370;
1568   uint32_t x371;
1569   fiat_p256_uint1 x372;
1570   uint32_t x373;
1571   fiat_p256_uint1 x374;
1572   uint32_t x375;
1573   uint32_t x376;
1574   fiat_p256_uint1 x377;
1575   uint32_t x378;
1576   fiat_p256_uint1 x379;
1577   uint32_t x380;
1578   fiat_p256_uint1 x381;
1579   uint32_t x382;
1580   fiat_p256_uint1 x383;
1581   uint32_t x384;
1582   fiat_p256_uint1 x385;
1583   uint32_t x386;
1584   fiat_p256_uint1 x387;
1585   uint32_t x388;
1586   fiat_p256_uint1 x389;
1587   uint32_t x390;
1588   fiat_p256_uint1 x391;
1589   uint32_t x392;
1590   fiat_p256_uint1 x393;
1591   uint32_t x394;
1592   uint32_t x395;
1593   uint32_t x396;
1594   uint32_t x397;
1595   uint32_t x398;
1596   uint32_t x399;
1597   uint32_t x400;
1598   uint32_t x401;
1599   uint32_t x402;
1600   uint32_t x403;
1601   uint32_t x404;
1602   uint32_t x405;
1603   uint32_t x406;
1604   uint32_t x407;
1605   uint32_t x408;
1606   uint32_t x409;
1607   uint32_t x410;
1608   uint32_t x411;
1609   fiat_p256_uint1 x412;
1610   uint32_t x413;
1611   fiat_p256_uint1 x414;
1612   uint32_t x415;
1613   fiat_p256_uint1 x416;
1614   uint32_t x417;
1615   fiat_p256_uint1 x418;
1616   uint32_t x419;
1617   fiat_p256_uint1 x420;
1618   uint32_t x421;
1619   fiat_p256_uint1 x422;
1620   uint32_t x423;
1621   fiat_p256_uint1 x424;
1622   uint32_t x425;
1623   uint32_t x426;
1624   fiat_p256_uint1 x427;
1625   uint32_t x428;
1626   fiat_p256_uint1 x429;
1627   uint32_t x430;
1628   fiat_p256_uint1 x431;
1629   uint32_t x432;
1630   fiat_p256_uint1 x433;
1631   uint32_t x434;
1632   fiat_p256_uint1 x435;
1633   uint32_t x436;
1634   fiat_p256_uint1 x437;
1635   uint32_t x438;
1636   fiat_p256_uint1 x439;
1637   uint32_t x440;
1638   fiat_p256_uint1 x441;
1639   uint32_t x442;
1640   fiat_p256_uint1 x443;
1641   uint32_t x444;
1642   uint32_t x445;
1643   uint32_t x446;
1644   uint32_t x447;
1645   uint32_t x448;
1646   uint32_t x449;
1647   uint32_t x450;
1648   uint32_t x451;
1649   uint32_t x452;
1650   fiat_p256_uint1 x453;
1651   uint32_t x454;
1652   fiat_p256_uint1 x455;
1653   uint32_t x456;
1654   uint32_t x457;
1655   fiat_p256_uint1 x458;
1656   uint32_t x459;
1657   fiat_p256_uint1 x460;
1658   uint32_t x461;
1659   fiat_p256_uint1 x462;
1660   uint32_t x463;
1661   fiat_p256_uint1 x464;
1662   uint32_t x465;
1663   fiat_p256_uint1 x466;
1664   uint32_t x467;
1665   fiat_p256_uint1 x468;
1666   uint32_t x469;
1667   fiat_p256_uint1 x470;
1668   uint32_t x471;
1669   fiat_p256_uint1 x472;
1670   uint32_t x473;
1671   fiat_p256_uint1 x474;
1672   uint32_t x475;
1673   uint32_t x476;
1674   uint32_t x477;
1675   uint32_t x478;
1676   uint32_t x479;
1677   uint32_t x480;
1678   uint32_t x481;
1679   uint32_t x482;
1680   uint32_t x483;
1681   uint32_t x484;
1682   uint32_t x485;
1683   uint32_t x486;
1684   uint32_t x487;
1685   uint32_t x488;
1686   uint32_t x489;
1687   uint32_t x490;
1688   uint32_t x491;
1689   uint32_t x492;
1690   fiat_p256_uint1 x493;
1691   uint32_t x494;
1692   fiat_p256_uint1 x495;
1693   uint32_t x496;
1694   fiat_p256_uint1 x497;
1695   uint32_t x498;
1696   fiat_p256_uint1 x499;
1697   uint32_t x500;
1698   fiat_p256_uint1 x501;
1699   uint32_t x502;
1700   fiat_p256_uint1 x503;
1701   uint32_t x504;
1702   fiat_p256_uint1 x505;
1703   uint32_t x506;
1704   uint32_t x507;
1705   fiat_p256_uint1 x508;
1706   uint32_t x509;
1707   fiat_p256_uint1 x510;
1708   uint32_t x511;
1709   fiat_p256_uint1 x512;
1710   uint32_t x513;
1711   fiat_p256_uint1 x514;
1712   uint32_t x515;
1713   fiat_p256_uint1 x516;
1714   uint32_t x517;
1715   fiat_p256_uint1 x518;
1716   uint32_t x519;
1717   fiat_p256_uint1 x520;
1718   uint32_t x521;
1719   fiat_p256_uint1 x522;
1720   uint32_t x523;
1721   fiat_p256_uint1 x524;
1722   uint32_t x525;
1723   uint32_t x526;
1724   uint32_t x527;
1725   uint32_t x528;
1726   uint32_t x529;
1727   uint32_t x530;
1728   uint32_t x531;
1729   uint32_t x532;
1730   uint32_t x533;
1731   fiat_p256_uint1 x534;
1732   uint32_t x535;
1733   fiat_p256_uint1 x536;
1734   uint32_t x537;
1735   uint32_t x538;
1736   fiat_p256_uint1 x539;
1737   uint32_t x540;
1738   fiat_p256_uint1 x541;
1739   uint32_t x542;
1740   fiat_p256_uint1 x543;
1741   uint32_t x544;
1742   fiat_p256_uint1 x545;
1743   uint32_t x546;
1744   fiat_p256_uint1 x547;
1745   uint32_t x548;
1746   fiat_p256_uint1 x549;
1747   uint32_t x550;
1748   fiat_p256_uint1 x551;
1749   uint32_t x552;
1750   fiat_p256_uint1 x553;
1751   uint32_t x554;
1752   fiat_p256_uint1 x555;
1753   uint32_t x556;
1754   uint32_t x557;
1755   uint32_t x558;
1756   uint32_t x559;
1757   uint32_t x560;
1758   uint32_t x561;
1759   uint32_t x562;
1760   uint32_t x563;
1761   uint32_t x564;
1762   uint32_t x565;
1763   uint32_t x566;
1764   uint32_t x567;
1765   uint32_t x568;
1766   uint32_t x569;
1767   uint32_t x570;
1768   uint32_t x571;
1769   uint32_t x572;
1770   uint32_t x573;
1771   fiat_p256_uint1 x574;
1772   uint32_t x575;
1773   fiat_p256_uint1 x576;
1774   uint32_t x577;
1775   fiat_p256_uint1 x578;
1776   uint32_t x579;
1777   fiat_p256_uint1 x580;
1778   uint32_t x581;
1779   fiat_p256_uint1 x582;
1780   uint32_t x583;
1781   fiat_p256_uint1 x584;
1782   uint32_t x585;
1783   fiat_p256_uint1 x586;
1784   uint32_t x587;
1785   uint32_t x588;
1786   fiat_p256_uint1 x589;
1787   uint32_t x590;
1788   fiat_p256_uint1 x591;
1789   uint32_t x592;
1790   fiat_p256_uint1 x593;
1791   uint32_t x594;
1792   fiat_p256_uint1 x595;
1793   uint32_t x596;
1794   fiat_p256_uint1 x597;
1795   uint32_t x598;
1796   fiat_p256_uint1 x599;
1797   uint32_t x600;
1798   fiat_p256_uint1 x601;
1799   uint32_t x602;
1800   fiat_p256_uint1 x603;
1801   uint32_t x604;
1802   fiat_p256_uint1 x605;
1803   uint32_t x606;
1804   uint32_t x607;
1805   uint32_t x608;
1806   uint32_t x609;
1807   uint32_t x610;
1808   uint32_t x611;
1809   uint32_t x612;
1810   uint32_t x613;
1811   uint32_t x614;
1812   fiat_p256_uint1 x615;
1813   uint32_t x616;
1814   fiat_p256_uint1 x617;
1815   uint32_t x618;
1816   uint32_t x619;
1817   fiat_p256_uint1 x620;
1818   uint32_t x621;
1819   fiat_p256_uint1 x622;
1820   uint32_t x623;
1821   fiat_p256_uint1 x624;
1822   uint32_t x625;
1823   fiat_p256_uint1 x626;
1824   uint32_t x627;
1825   fiat_p256_uint1 x628;
1826   uint32_t x629;
1827   fiat_p256_uint1 x630;
1828   uint32_t x631;
1829   fiat_p256_uint1 x632;
1830   uint32_t x633;
1831   fiat_p256_uint1 x634;
1832   uint32_t x635;
1833   fiat_p256_uint1 x636;
1834   uint32_t x637;
1835   uint32_t x638;
1836   fiat_p256_uint1 x639;
1837   uint32_t x640;
1838   fiat_p256_uint1 x641;
1839   uint32_t x642;
1840   fiat_p256_uint1 x643;
1841   uint32_t x644;
1842   fiat_p256_uint1 x645;
1843   uint32_t x646;
1844   fiat_p256_uint1 x647;
1845   uint32_t x648;
1846   fiat_p256_uint1 x649;
1847   uint32_t x650;
1848   fiat_p256_uint1 x651;
1849   uint32_t x652;
1850   fiat_p256_uint1 x653;
1851   uint32_t x654;
1852   fiat_p256_uint1 x655;
1853   uint32_t x656;
1854   uint32_t x657;
1855   uint32_t x658;
1856   uint32_t x659;
1857   uint32_t x660;
1858   uint32_t x661;
1859   uint32_t x662;
1860   uint32_t x663;
1861   x1 = (arg1[1]);
1862   x2 = (arg1[2]);
1863   x3 = (arg1[3]);
1864   x4 = (arg1[4]);
1865   x5 = (arg1[5]);
1866   x6 = (arg1[6]);
1867   x7 = (arg1[7]);
1868   x8 = (arg1[0]);
1869   fiat_p256_mulx_u32(&x9, &x10, x8, (arg1[7]));
1870   fiat_p256_mulx_u32(&x11, &x12, x8, (arg1[6]));
1871   fiat_p256_mulx_u32(&x13, &x14, x8, (arg1[5]));
1872   fiat_p256_mulx_u32(&x15, &x16, x8, (arg1[4]));
1873   fiat_p256_mulx_u32(&x17, &x18, x8, (arg1[3]));
1874   fiat_p256_mulx_u32(&x19, &x20, x8, (arg1[2]));
1875   fiat_p256_mulx_u32(&x21, &x22, x8, (arg1[1]));
1876   fiat_p256_mulx_u32(&x23, &x24, x8, (arg1[0]));
1877   fiat_p256_addcarryx_u32(&x25, &x26, 0x0, x24, x21);
1878   fiat_p256_addcarryx_u32(&x27, &x28, x26, x22, x19);
1879   fiat_p256_addcarryx_u32(&x29, &x30, x28, x20, x17);
1880   fiat_p256_addcarryx_u32(&x31, &x32, x30, x18, x15);
1881   fiat_p256_addcarryx_u32(&x33, &x34, x32, x16, x13);
1882   fiat_p256_addcarryx_u32(&x35, &x36, x34, x14, x11);
1883   fiat_p256_addcarryx_u32(&x37, &x38, x36, x12, x9);
1884   x39 = (x38 + x10);
1885   fiat_p256_mulx_u32(&x40, &x41, x23, UINT32_C(0xffffffff));
1886   fiat_p256_mulx_u32(&x42, &x43, x23, UINT32_C(0xffffffff));
1887   fiat_p256_mulx_u32(&x44, &x45, x23, UINT32_C(0xffffffff));
1888   fiat_p256_mulx_u32(&x46, &x47, x23, UINT32_C(0xffffffff));
1889   fiat_p256_addcarryx_u32(&x48, &x49, 0x0, x47, x44);
1890   fiat_p256_addcarryx_u32(&x50, &x51, x49, x45, x42);
1891   x52 = (x51 + x43);
1892   fiat_p256_addcarryx_u32(&x53, &x54, 0x0, x23, x46);
1893   fiat_p256_addcarryx_u32(&x55, &x56, x54, x25, x48);
1894   fiat_p256_addcarryx_u32(&x57, &x58, x56, x27, x50);
1895   fiat_p256_addcarryx_u32(&x59, &x60, x58, x29, x52);
1896   fiat_p256_addcarryx_u32(&x61, &x62, x60, x31, 0x0);
1897   fiat_p256_addcarryx_u32(&x63, &x64, x62, x33, 0x0);
1898   fiat_p256_addcarryx_u32(&x65, &x66, x64, x35, x23);
1899   fiat_p256_addcarryx_u32(&x67, &x68, x66, x37, x40);
1900   fiat_p256_addcarryx_u32(&x69, &x70, x68, x39, x41);
1901   fiat_p256_mulx_u32(&x71, &x72, x1, (arg1[7]));
1902   fiat_p256_mulx_u32(&x73, &x74, x1, (arg1[6]));
1903   fiat_p256_mulx_u32(&x75, &x76, x1, (arg1[5]));
1904   fiat_p256_mulx_u32(&x77, &x78, x1, (arg1[4]));
1905   fiat_p256_mulx_u32(&x79, &x80, x1, (arg1[3]));
1906   fiat_p256_mulx_u32(&x81, &x82, x1, (arg1[2]));
1907   fiat_p256_mulx_u32(&x83, &x84, x1, (arg1[1]));
1908   fiat_p256_mulx_u32(&x85, &x86, x1, (arg1[0]));
1909   fiat_p256_addcarryx_u32(&x87, &x88, 0x0, x86, x83);
1910   fiat_p256_addcarryx_u32(&x89, &x90, x88, x84, x81);
1911   fiat_p256_addcarryx_u32(&x91, &x92, x90, x82, x79);
1912   fiat_p256_addcarryx_u32(&x93, &x94, x92, x80, x77);
1913   fiat_p256_addcarryx_u32(&x95, &x96, x94, x78, x75);
1914   fiat_p256_addcarryx_u32(&x97, &x98, x96, x76, x73);
1915   fiat_p256_addcarryx_u32(&x99, &x100, x98, x74, x71);
1916   x101 = (x100 + x72);
1917   fiat_p256_addcarryx_u32(&x102, &x103, 0x0, x55, x85);
1918   fiat_p256_addcarryx_u32(&x104, &x105, x103, x57, x87);
1919   fiat_p256_addcarryx_u32(&x106, &x107, x105, x59, x89);
1920   fiat_p256_addcarryx_u32(&x108, &x109, x107, x61, x91);
1921   fiat_p256_addcarryx_u32(&x110, &x111, x109, x63, x93);
1922   fiat_p256_addcarryx_u32(&x112, &x113, x111, x65, x95);
1923   fiat_p256_addcarryx_u32(&x114, &x115, x113, x67, x97);
1924   fiat_p256_addcarryx_u32(&x116, &x117, x115, x69, x99);
1925   fiat_p256_addcarryx_u32(&x118, &x119, x117, x70, x101);
1926   fiat_p256_mulx_u32(&x120, &x121, x102, UINT32_C(0xffffffff));
1927   fiat_p256_mulx_u32(&x122, &x123, x102, UINT32_C(0xffffffff));
1928   fiat_p256_mulx_u32(&x124, &x125, x102, UINT32_C(0xffffffff));
1929   fiat_p256_mulx_u32(&x126, &x127, x102, UINT32_C(0xffffffff));
1930   fiat_p256_addcarryx_u32(&x128, &x129, 0x0, x127, x124);
1931   fiat_p256_addcarryx_u32(&x130, &x131, x129, x125, x122);
1932   x132 = (x131 + x123);
1933   fiat_p256_addcarryx_u32(&x133, &x134, 0x0, x102, x126);
1934   fiat_p256_addcarryx_u32(&x135, &x136, x134, x104, x128);
1935   fiat_p256_addcarryx_u32(&x137, &x138, x136, x106, x130);
1936   fiat_p256_addcarryx_u32(&x139, &x140, x138, x108, x132);
1937   fiat_p256_addcarryx_u32(&x141, &x142, x140, x110, 0x0);
1938   fiat_p256_addcarryx_u32(&x143, &x144, x142, x112, 0x0);
1939   fiat_p256_addcarryx_u32(&x145, &x146, x144, x114, x102);
1940   fiat_p256_addcarryx_u32(&x147, &x148, x146, x116, x120);
1941   fiat_p256_addcarryx_u32(&x149, &x150, x148, x118, x121);
1942   x151 = ((uint32_t)x150 + x119);
1943   fiat_p256_mulx_u32(&x152, &x153, x2, (arg1[7]));
1944   fiat_p256_mulx_u32(&x154, &x155, x2, (arg1[6]));
1945   fiat_p256_mulx_u32(&x156, &x157, x2, (arg1[5]));
1946   fiat_p256_mulx_u32(&x158, &x159, x2, (arg1[4]));
1947   fiat_p256_mulx_u32(&x160, &x161, x2, (arg1[3]));
1948   fiat_p256_mulx_u32(&x162, &x163, x2, (arg1[2]));
1949   fiat_p256_mulx_u32(&x164, &x165, x2, (arg1[1]));
1950   fiat_p256_mulx_u32(&x166, &x167, x2, (arg1[0]));
1951   fiat_p256_addcarryx_u32(&x168, &x169, 0x0, x167, x164);
1952   fiat_p256_addcarryx_u32(&x170, &x171, x169, x165, x162);
1953   fiat_p256_addcarryx_u32(&x172, &x173, x171, x163, x160);
1954   fiat_p256_addcarryx_u32(&x174, &x175, x173, x161, x158);
1955   fiat_p256_addcarryx_u32(&x176, &x177, x175, x159, x156);
1956   fiat_p256_addcarryx_u32(&x178, &x179, x177, x157, x154);
1957   fiat_p256_addcarryx_u32(&x180, &x181, x179, x155, x152);
1958   x182 = (x181 + x153);
1959   fiat_p256_addcarryx_u32(&x183, &x184, 0x0, x135, x166);
1960   fiat_p256_addcarryx_u32(&x185, &x186, x184, x137, x168);
1961   fiat_p256_addcarryx_u32(&x187, &x188, x186, x139, x170);
1962   fiat_p256_addcarryx_u32(&x189, &x190, x188, x141, x172);
1963   fiat_p256_addcarryx_u32(&x191, &x192, x190, x143, x174);
1964   fiat_p256_addcarryx_u32(&x193, &x194, x192, x145, x176);
1965   fiat_p256_addcarryx_u32(&x195, &x196, x194, x147, x178);
1966   fiat_p256_addcarryx_u32(&x197, &x198, x196, x149, x180);
1967   fiat_p256_addcarryx_u32(&x199, &x200, x198, x151, x182);
1968   fiat_p256_mulx_u32(&x201, &x202, x183, UINT32_C(0xffffffff));
1969   fiat_p256_mulx_u32(&x203, &x204, x183, UINT32_C(0xffffffff));
1970   fiat_p256_mulx_u32(&x205, &x206, x183, UINT32_C(0xffffffff));
1971   fiat_p256_mulx_u32(&x207, &x208, x183, UINT32_C(0xffffffff));
1972   fiat_p256_addcarryx_u32(&x209, &x210, 0x0, x208, x205);
1973   fiat_p256_addcarryx_u32(&x211, &x212, x210, x206, x203);
1974   x213 = (x212 + x204);
1975   fiat_p256_addcarryx_u32(&x214, &x215, 0x0, x183, x207);
1976   fiat_p256_addcarryx_u32(&x216, &x217, x215, x185, x209);
1977   fiat_p256_addcarryx_u32(&x218, &x219, x217, x187, x211);
1978   fiat_p256_addcarryx_u32(&x220, &x221, x219, x189, x213);
1979   fiat_p256_addcarryx_u32(&x222, &x223, x221, x191, 0x0);
1980   fiat_p256_addcarryx_u32(&x224, &x225, x223, x193, 0x0);
1981   fiat_p256_addcarryx_u32(&x226, &x227, x225, x195, x183);
1982   fiat_p256_addcarryx_u32(&x228, &x229, x227, x197, x201);
1983   fiat_p256_addcarryx_u32(&x230, &x231, x229, x199, x202);
1984   x232 = ((uint32_t)x231 + x200);
1985   fiat_p256_mulx_u32(&x233, &x234, x3, (arg1[7]));
1986   fiat_p256_mulx_u32(&x235, &x236, x3, (arg1[6]));
1987   fiat_p256_mulx_u32(&x237, &x238, x3, (arg1[5]));
1988   fiat_p256_mulx_u32(&x239, &x240, x3, (arg1[4]));
1989   fiat_p256_mulx_u32(&x241, &x242, x3, (arg1[3]));
1990   fiat_p256_mulx_u32(&x243, &x244, x3, (arg1[2]));
1991   fiat_p256_mulx_u32(&x245, &x246, x3, (arg1[1]));
1992   fiat_p256_mulx_u32(&x247, &x248, x3, (arg1[0]));
1993   fiat_p256_addcarryx_u32(&x249, &x250, 0x0, x248, x245);
1994   fiat_p256_addcarryx_u32(&x251, &x252, x250, x246, x243);
1995   fiat_p256_addcarryx_u32(&x253, &x254, x252, x244, x241);
1996   fiat_p256_addcarryx_u32(&x255, &x256, x254, x242, x239);
1997   fiat_p256_addcarryx_u32(&x257, &x258, x256, x240, x237);
1998   fiat_p256_addcarryx_u32(&x259, &x260, x258, x238, x235);
1999   fiat_p256_addcarryx_u32(&x261, &x262, x260, x236, x233);
2000   x263 = (x262 + x234);
2001   fiat_p256_addcarryx_u32(&x264, &x265, 0x0, x216, x247);
2002   fiat_p256_addcarryx_u32(&x266, &x267, x265, x218, x249);
2003   fiat_p256_addcarryx_u32(&x268, &x269, x267, x220, x251);
2004   fiat_p256_addcarryx_u32(&x270, &x271, x269, x222, x253);
2005   fiat_p256_addcarryx_u32(&x272, &x273, x271, x224, x255);
2006   fiat_p256_addcarryx_u32(&x274, &x275, x273, x226, x257);
2007   fiat_p256_addcarryx_u32(&x276, &x277, x275, x228, x259);
2008   fiat_p256_addcarryx_u32(&x278, &x279, x277, x230, x261);
2009   fiat_p256_addcarryx_u32(&x280, &x281, x279, x232, x263);
2010   fiat_p256_mulx_u32(&x282, &x283, x264, UINT32_C(0xffffffff));
2011   fiat_p256_mulx_u32(&x284, &x285, x264, UINT32_C(0xffffffff));
2012   fiat_p256_mulx_u32(&x286, &x287, x264, UINT32_C(0xffffffff));
2013   fiat_p256_mulx_u32(&x288, &x289, x264, UINT32_C(0xffffffff));
2014   fiat_p256_addcarryx_u32(&x290, &x291, 0x0, x289, x286);
2015   fiat_p256_addcarryx_u32(&x292, &x293, x291, x287, x284);
2016   x294 = (x293 + x285);
2017   fiat_p256_addcarryx_u32(&x295, &x296, 0x0, x264, x288);
2018   fiat_p256_addcarryx_u32(&x297, &x298, x296, x266, x290);
2019   fiat_p256_addcarryx_u32(&x299, &x300, x298, x268, x292);
2020   fiat_p256_addcarryx_u32(&x301, &x302, x300, x270, x294);
2021   fiat_p256_addcarryx_u32(&x303, &x304, x302, x272, 0x0);
2022   fiat_p256_addcarryx_u32(&x305, &x306, x304, x274, 0x0);
2023   fiat_p256_addcarryx_u32(&x307, &x308, x306, x276, x264);
2024   fiat_p256_addcarryx_u32(&x309, &x310, x308, x278, x282);
2025   fiat_p256_addcarryx_u32(&x311, &x312, x310, x280, x283);
2026   x313 = ((uint32_t)x312 + x281);
2027   fiat_p256_mulx_u32(&x314, &x315, x4, (arg1[7]));
2028   fiat_p256_mulx_u32(&x316, &x317, x4, (arg1[6]));
2029   fiat_p256_mulx_u32(&x318, &x319, x4, (arg1[5]));
2030   fiat_p256_mulx_u32(&x320, &x321, x4, (arg1[4]));
2031   fiat_p256_mulx_u32(&x322, &x323, x4, (arg1[3]));
2032   fiat_p256_mulx_u32(&x324, &x325, x4, (arg1[2]));
2033   fiat_p256_mulx_u32(&x326, &x327, x4, (arg1[1]));
2034   fiat_p256_mulx_u32(&x328, &x329, x4, (arg1[0]));
2035   fiat_p256_addcarryx_u32(&x330, &x331, 0x0, x329, x326);
2036   fiat_p256_addcarryx_u32(&x332, &x333, x331, x327, x324);
2037   fiat_p256_addcarryx_u32(&x334, &x335, x333, x325, x322);
2038   fiat_p256_addcarryx_u32(&x336, &x337, x335, x323, x320);
2039   fiat_p256_addcarryx_u32(&x338, &x339, x337, x321, x318);
2040   fiat_p256_addcarryx_u32(&x340, &x341, x339, x319, x316);
2041   fiat_p256_addcarryx_u32(&x342, &x343, x341, x317, x314);
2042   x344 = (x343 + x315);
2043   fiat_p256_addcarryx_u32(&x345, &x346, 0x0, x297, x328);
2044   fiat_p256_addcarryx_u32(&x347, &x348, x346, x299, x330);
2045   fiat_p256_addcarryx_u32(&x349, &x350, x348, x301, x332);
2046   fiat_p256_addcarryx_u32(&x351, &x352, x350, x303, x334);
2047   fiat_p256_addcarryx_u32(&x353, &x354, x352, x305, x336);
2048   fiat_p256_addcarryx_u32(&x355, &x356, x354, x307, x338);
2049   fiat_p256_addcarryx_u32(&x357, &x358, x356, x309, x340);
2050   fiat_p256_addcarryx_u32(&x359, &x360, x358, x311, x342);
2051   fiat_p256_addcarryx_u32(&x361, &x362, x360, x313, x344);
2052   fiat_p256_mulx_u32(&x363, &x364, x345, UINT32_C(0xffffffff));
2053   fiat_p256_mulx_u32(&x365, &x366, x345, UINT32_C(0xffffffff));
2054   fiat_p256_mulx_u32(&x367, &x368, x345, UINT32_C(0xffffffff));
2055   fiat_p256_mulx_u32(&x369, &x370, x345, UINT32_C(0xffffffff));
2056   fiat_p256_addcarryx_u32(&x371, &x372, 0x0, x370, x367);
2057   fiat_p256_addcarryx_u32(&x373, &x374, x372, x368, x365);
2058   x375 = (x374 + x366);
2059   fiat_p256_addcarryx_u32(&x376, &x377, 0x0, x345, x369);
2060   fiat_p256_addcarryx_u32(&x378, &x379, x377, x347, x371);
2061   fiat_p256_addcarryx_u32(&x380, &x381, x379, x349, x373);
2062   fiat_p256_addcarryx_u32(&x382, &x383, x381, x351, x375);
2063   fiat_p256_addcarryx_u32(&x384, &x385, x383, x353, 0x0);
2064   fiat_p256_addcarryx_u32(&x386, &x387, x385, x355, 0x0);
2065   fiat_p256_addcarryx_u32(&x388, &x389, x387, x357, x345);
2066   fiat_p256_addcarryx_u32(&x390, &x391, x389, x359, x363);
2067   fiat_p256_addcarryx_u32(&x392, &x393, x391, x361, x364);
2068   x394 = ((uint32_t)x393 + x362);
2069   fiat_p256_mulx_u32(&x395, &x396, x5, (arg1[7]));
2070   fiat_p256_mulx_u32(&x397, &x398, x5, (arg1[6]));
2071   fiat_p256_mulx_u32(&x399, &x400, x5, (arg1[5]));
2072   fiat_p256_mulx_u32(&x401, &x402, x5, (arg1[4]));
2073   fiat_p256_mulx_u32(&x403, &x404, x5, (arg1[3]));
2074   fiat_p256_mulx_u32(&x405, &x406, x5, (arg1[2]));
2075   fiat_p256_mulx_u32(&x407, &x408, x5, (arg1[1]));
2076   fiat_p256_mulx_u32(&x409, &x410, x5, (arg1[0]));
2077   fiat_p256_addcarryx_u32(&x411, &x412, 0x0, x410, x407);
2078   fiat_p256_addcarryx_u32(&x413, &x414, x412, x408, x405);
2079   fiat_p256_addcarryx_u32(&x415, &x416, x414, x406, x403);
2080   fiat_p256_addcarryx_u32(&x417, &x418, x416, x404, x401);
2081   fiat_p256_addcarryx_u32(&x419, &x420, x418, x402, x399);
2082   fiat_p256_addcarryx_u32(&x421, &x422, x420, x400, x397);
2083   fiat_p256_addcarryx_u32(&x423, &x424, x422, x398, x395);
2084   x425 = (x424 + x396);
2085   fiat_p256_addcarryx_u32(&x426, &x427, 0x0, x378, x409);
2086   fiat_p256_addcarryx_u32(&x428, &x429, x427, x380, x411);
2087   fiat_p256_addcarryx_u32(&x430, &x431, x429, x382, x413);
2088   fiat_p256_addcarryx_u32(&x432, &x433, x431, x384, x415);
2089   fiat_p256_addcarryx_u32(&x434, &x435, x433, x386, x417);
2090   fiat_p256_addcarryx_u32(&x436, &x437, x435, x388, x419);
2091   fiat_p256_addcarryx_u32(&x438, &x439, x437, x390, x421);
2092   fiat_p256_addcarryx_u32(&x440, &x441, x439, x392, x423);
2093   fiat_p256_addcarryx_u32(&x442, &x443, x441, x394, x425);
2094   fiat_p256_mulx_u32(&x444, &x445, x426, UINT32_C(0xffffffff));
2095   fiat_p256_mulx_u32(&x446, &x447, x426, UINT32_C(0xffffffff));
2096   fiat_p256_mulx_u32(&x448, &x449, x426, UINT32_C(0xffffffff));
2097   fiat_p256_mulx_u32(&x450, &x451, x426, UINT32_C(0xffffffff));
2098   fiat_p256_addcarryx_u32(&x452, &x453, 0x0, x451, x448);
2099   fiat_p256_addcarryx_u32(&x454, &x455, x453, x449, x446);
2100   x456 = (x455 + x447);
2101   fiat_p256_addcarryx_u32(&x457, &x458, 0x0, x426, x450);
2102   fiat_p256_addcarryx_u32(&x459, &x460, x458, x428, x452);
2103   fiat_p256_addcarryx_u32(&x461, &x462, x460, x430, x454);
2104   fiat_p256_addcarryx_u32(&x463, &x464, x462, x432, x456);
2105   fiat_p256_addcarryx_u32(&x465, &x466, x464, x434, 0x0);
2106   fiat_p256_addcarryx_u32(&x467, &x468, x466, x436, 0x0);
2107   fiat_p256_addcarryx_u32(&x469, &x470, x468, x438, x426);
2108   fiat_p256_addcarryx_u32(&x471, &x472, x470, x440, x444);
2109   fiat_p256_addcarryx_u32(&x473, &x474, x472, x442, x445);
2110   x475 = ((uint32_t)x474 + x443);
2111   fiat_p256_mulx_u32(&x476, &x477, x6, (arg1[7]));
2112   fiat_p256_mulx_u32(&x478, &x479, x6, (arg1[6]));
2113   fiat_p256_mulx_u32(&x480, &x481, x6, (arg1[5]));
2114   fiat_p256_mulx_u32(&x482, &x483, x6, (arg1[4]));
2115   fiat_p256_mulx_u32(&x484, &x485, x6, (arg1[3]));
2116   fiat_p256_mulx_u32(&x486, &x487, x6, (arg1[2]));
2117   fiat_p256_mulx_u32(&x488, &x489, x6, (arg1[1]));
2118   fiat_p256_mulx_u32(&x490, &x491, x6, (arg1[0]));
2119   fiat_p256_addcarryx_u32(&x492, &x493, 0x0, x491, x488);
2120   fiat_p256_addcarryx_u32(&x494, &x495, x493, x489, x486);
2121   fiat_p256_addcarryx_u32(&x496, &x497, x495, x487, x484);
2122   fiat_p256_addcarryx_u32(&x498, &x499, x497, x485, x482);
2123   fiat_p256_addcarryx_u32(&x500, &x501, x499, x483, x480);
2124   fiat_p256_addcarryx_u32(&x502, &x503, x501, x481, x478);
2125   fiat_p256_addcarryx_u32(&x504, &x505, x503, x479, x476);
2126   x506 = (x505 + x477);
2127   fiat_p256_addcarryx_u32(&x507, &x508, 0x0, x459, x490);
2128   fiat_p256_addcarryx_u32(&x509, &x510, x508, x461, x492);
2129   fiat_p256_addcarryx_u32(&x511, &x512, x510, x463, x494);
2130   fiat_p256_addcarryx_u32(&x513, &x514, x512, x465, x496);
2131   fiat_p256_addcarryx_u32(&x515, &x516, x514, x467, x498);
2132   fiat_p256_addcarryx_u32(&x517, &x518, x516, x469, x500);
2133   fiat_p256_addcarryx_u32(&x519, &x520, x518, x471, x502);
2134   fiat_p256_addcarryx_u32(&x521, &x522, x520, x473, x504);
2135   fiat_p256_addcarryx_u32(&x523, &x524, x522, x475, x506);
2136   fiat_p256_mulx_u32(&x525, &x526, x507, UINT32_C(0xffffffff));
2137   fiat_p256_mulx_u32(&x527, &x528, x507, UINT32_C(0xffffffff));
2138   fiat_p256_mulx_u32(&x529, &x530, x507, UINT32_C(0xffffffff));
2139   fiat_p256_mulx_u32(&x531, &x532, x507, UINT32_C(0xffffffff));
2140   fiat_p256_addcarryx_u32(&x533, &x534, 0x0, x532, x529);
2141   fiat_p256_addcarryx_u32(&x535, &x536, x534, x530, x527);
2142   x537 = (x536 + x528);
2143   fiat_p256_addcarryx_u32(&x538, &x539, 0x0, x507, x531);
2144   fiat_p256_addcarryx_u32(&x540, &x541, x539, x509, x533);
2145   fiat_p256_addcarryx_u32(&x542, &x543, x541, x511, x535);
2146   fiat_p256_addcarryx_u32(&x544, &x545, x543, x513, x537);
2147   fiat_p256_addcarryx_u32(&x546, &x547, x545, x515, 0x0);
2148   fiat_p256_addcarryx_u32(&x548, &x549, x547, x517, 0x0);
2149   fiat_p256_addcarryx_u32(&x550, &x551, x549, x519, x507);
2150   fiat_p256_addcarryx_u32(&x552, &x553, x551, x521, x525);
2151   fiat_p256_addcarryx_u32(&x554, &x555, x553, x523, x526);
2152   x556 = ((uint32_t)x555 + x524);
2153   fiat_p256_mulx_u32(&x557, &x558, x7, (arg1[7]));
2154   fiat_p256_mulx_u32(&x559, &x560, x7, (arg1[6]));
2155   fiat_p256_mulx_u32(&x561, &x562, x7, (arg1[5]));
2156   fiat_p256_mulx_u32(&x563, &x564, x7, (arg1[4]));
2157   fiat_p256_mulx_u32(&x565, &x566, x7, (arg1[3]));
2158   fiat_p256_mulx_u32(&x567, &x568, x7, (arg1[2]));
2159   fiat_p256_mulx_u32(&x569, &x570, x7, (arg1[1]));
2160   fiat_p256_mulx_u32(&x571, &x572, x7, (arg1[0]));
2161   fiat_p256_addcarryx_u32(&x573, &x574, 0x0, x572, x569);
2162   fiat_p256_addcarryx_u32(&x575, &x576, x574, x570, x567);
2163   fiat_p256_addcarryx_u32(&x577, &x578, x576, x568, x565);
2164   fiat_p256_addcarryx_u32(&x579, &x580, x578, x566, x563);
2165   fiat_p256_addcarryx_u32(&x581, &x582, x580, x564, x561);
2166   fiat_p256_addcarryx_u32(&x583, &x584, x582, x562, x559);
2167   fiat_p256_addcarryx_u32(&x585, &x586, x584, x560, x557);
2168   x587 = (x586 + x558);
2169   fiat_p256_addcarryx_u32(&x588, &x589, 0x0, x540, x571);
2170   fiat_p256_addcarryx_u32(&x590, &x591, x589, x542, x573);
2171   fiat_p256_addcarryx_u32(&x592, &x593, x591, x544, x575);
2172   fiat_p256_addcarryx_u32(&x594, &x595, x593, x546, x577);
2173   fiat_p256_addcarryx_u32(&x596, &x597, x595, x548, x579);
2174   fiat_p256_addcarryx_u32(&x598, &x599, x597, x550, x581);
2175   fiat_p256_addcarryx_u32(&x600, &x601, x599, x552, x583);
2176   fiat_p256_addcarryx_u32(&x602, &x603, x601, x554, x585);
2177   fiat_p256_addcarryx_u32(&x604, &x605, x603, x556, x587);
2178   fiat_p256_mulx_u32(&x606, &x607, x588, UINT32_C(0xffffffff));
2179   fiat_p256_mulx_u32(&x608, &x609, x588, UINT32_C(0xffffffff));
2180   fiat_p256_mulx_u32(&x610, &x611, x588, UINT32_C(0xffffffff));
2181   fiat_p256_mulx_u32(&x612, &x613, x588, UINT32_C(0xffffffff));
2182   fiat_p256_addcarryx_u32(&x614, &x615, 0x0, x613, x610);
2183   fiat_p256_addcarryx_u32(&x616, &x617, x615, x611, x608);
2184   x618 = (x617 + x609);
2185   fiat_p256_addcarryx_u32(&x619, &x620, 0x0, x588, x612);
2186   fiat_p256_addcarryx_u32(&x621, &x622, x620, x590, x614);
2187   fiat_p256_addcarryx_u32(&x623, &x624, x622, x592, x616);
2188   fiat_p256_addcarryx_u32(&x625, &x626, x624, x594, x618);
2189   fiat_p256_addcarryx_u32(&x627, &x628, x626, x596, 0x0);
2190   fiat_p256_addcarryx_u32(&x629, &x630, x628, x598, 0x0);
2191   fiat_p256_addcarryx_u32(&x631, &x632, x630, x600, x588);
2192   fiat_p256_addcarryx_u32(&x633, &x634, x632, x602, x606);
2193   fiat_p256_addcarryx_u32(&x635, &x636, x634, x604, x607);
2194   x637 = ((uint32_t)x636 + x605);
2195   fiat_p256_subborrowx_u32(&x638, &x639, 0x0, x621, UINT32_C(0xffffffff));
2196   fiat_p256_subborrowx_u32(&x640, &x641, x639, x623, UINT32_C(0xffffffff));
2197   fiat_p256_subborrowx_u32(&x642, &x643, x641, x625, UINT32_C(0xffffffff));
2198   fiat_p256_subborrowx_u32(&x644, &x645, x643, x627, 0x0);
2199   fiat_p256_subborrowx_u32(&x646, &x647, x645, x629, 0x0);
2200   fiat_p256_subborrowx_u32(&x648, &x649, x647, x631, 0x0);
2201   fiat_p256_subborrowx_u32(&x650, &x651, x649, x633, 0x1);
2202   fiat_p256_subborrowx_u32(&x652, &x653, x651, x635, UINT32_C(0xffffffff));
2203   fiat_p256_subborrowx_u32(&x654, &x655, x653, x637, 0x0);
2204   fiat_p256_cmovznz_u32(&x656, x655, x638, x621);
2205   fiat_p256_cmovznz_u32(&x657, x655, x640, x623);
2206   fiat_p256_cmovznz_u32(&x658, x655, x642, x625);
2207   fiat_p256_cmovznz_u32(&x659, x655, x644, x627);
2208   fiat_p256_cmovznz_u32(&x660, x655, x646, x629);
2209   fiat_p256_cmovznz_u32(&x661, x655, x648, x631);
2210   fiat_p256_cmovznz_u32(&x662, x655, x650, x633);
2211   fiat_p256_cmovznz_u32(&x663, x655, x652, x635);
2212   out1[0] = x656;
2213   out1[1] = x657;
2214   out1[2] = x658;
2215   out1[3] = x659;
2216   out1[4] = x660;
2217   out1[5] = x661;
2218   out1[6] = x662;
2219   out1[7] = x663;
2220 }
2221 
2222 /*
2223  * The function fiat_p256_add adds two field elements in the Montgomery domain.
2224  *
2225  * Preconditions:
2226  *   0 ≤ eval arg1 < m
2227  *   0 ≤ eval arg2 < m
2228  * Postconditions:
2229  *   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
2230  *   0 ≤ eval out1 < m
2231  *
2232  */
fiat_p256_add(fiat_p256_montgomery_domain_field_element out1,const fiat_p256_montgomery_domain_field_element arg1,const fiat_p256_montgomery_domain_field_element arg2)2233 static FIAT_P256_FIAT_INLINE void fiat_p256_add(fiat_p256_montgomery_domain_field_element out1, const fiat_p256_montgomery_domain_field_element arg1, const fiat_p256_montgomery_domain_field_element arg2) {
2234   uint32_t x1;
2235   fiat_p256_uint1 x2;
2236   uint32_t x3;
2237   fiat_p256_uint1 x4;
2238   uint32_t x5;
2239   fiat_p256_uint1 x6;
2240   uint32_t x7;
2241   fiat_p256_uint1 x8;
2242   uint32_t x9;
2243   fiat_p256_uint1 x10;
2244   uint32_t x11;
2245   fiat_p256_uint1 x12;
2246   uint32_t x13;
2247   fiat_p256_uint1 x14;
2248   uint32_t x15;
2249   fiat_p256_uint1 x16;
2250   uint32_t x17;
2251   fiat_p256_uint1 x18;
2252   uint32_t x19;
2253   fiat_p256_uint1 x20;
2254   uint32_t x21;
2255   fiat_p256_uint1 x22;
2256   uint32_t x23;
2257   fiat_p256_uint1 x24;
2258   uint32_t x25;
2259   fiat_p256_uint1 x26;
2260   uint32_t x27;
2261   fiat_p256_uint1 x28;
2262   uint32_t x29;
2263   fiat_p256_uint1 x30;
2264   uint32_t x31;
2265   fiat_p256_uint1 x32;
2266   uint32_t x33;
2267   fiat_p256_uint1 x34;
2268   uint32_t x35;
2269   uint32_t x36;
2270   uint32_t x37;
2271   uint32_t x38;
2272   uint32_t x39;
2273   uint32_t x40;
2274   uint32_t x41;
2275   uint32_t x42;
2276   fiat_p256_addcarryx_u32(&x1, &x2, 0x0, (arg1[0]), (arg2[0]));
2277   fiat_p256_addcarryx_u32(&x3, &x4, x2, (arg1[1]), (arg2[1]));
2278   fiat_p256_addcarryx_u32(&x5, &x6, x4, (arg1[2]), (arg2[2]));
2279   fiat_p256_addcarryx_u32(&x7, &x8, x6, (arg1[3]), (arg2[3]));
2280   fiat_p256_addcarryx_u32(&x9, &x10, x8, (arg1[4]), (arg2[4]));
2281   fiat_p256_addcarryx_u32(&x11, &x12, x10, (arg1[5]), (arg2[5]));
2282   fiat_p256_addcarryx_u32(&x13, &x14, x12, (arg1[6]), (arg2[6]));
2283   fiat_p256_addcarryx_u32(&x15, &x16, x14, (arg1[7]), (arg2[7]));
2284   fiat_p256_subborrowx_u32(&x17, &x18, 0x0, x1, UINT32_C(0xffffffff));
2285   fiat_p256_subborrowx_u32(&x19, &x20, x18, x3, UINT32_C(0xffffffff));
2286   fiat_p256_subborrowx_u32(&x21, &x22, x20, x5, UINT32_C(0xffffffff));
2287   fiat_p256_subborrowx_u32(&x23, &x24, x22, x7, 0x0);
2288   fiat_p256_subborrowx_u32(&x25, &x26, x24, x9, 0x0);
2289   fiat_p256_subborrowx_u32(&x27, &x28, x26, x11, 0x0);
2290   fiat_p256_subborrowx_u32(&x29, &x30, x28, x13, 0x1);
2291   fiat_p256_subborrowx_u32(&x31, &x32, x30, x15, UINT32_C(0xffffffff));
2292   fiat_p256_subborrowx_u32(&x33, &x34, x32, x16, 0x0);
2293   fiat_p256_cmovznz_u32(&x35, x34, x17, x1);
2294   fiat_p256_cmovznz_u32(&x36, x34, x19, x3);
2295   fiat_p256_cmovznz_u32(&x37, x34, x21, x5);
2296   fiat_p256_cmovznz_u32(&x38, x34, x23, x7);
2297   fiat_p256_cmovznz_u32(&x39, x34, x25, x9);
2298   fiat_p256_cmovznz_u32(&x40, x34, x27, x11);
2299   fiat_p256_cmovznz_u32(&x41, x34, x29, x13);
2300   fiat_p256_cmovznz_u32(&x42, x34, x31, x15);
2301   out1[0] = x35;
2302   out1[1] = x36;
2303   out1[2] = x37;
2304   out1[3] = x38;
2305   out1[4] = x39;
2306   out1[5] = x40;
2307   out1[6] = x41;
2308   out1[7] = x42;
2309 }
2310 
2311 /*
2312  * The function fiat_p256_sub subtracts two field elements in the Montgomery domain.
2313  *
2314  * Preconditions:
2315  *   0 ≤ eval arg1 < m
2316  *   0 ≤ eval arg2 < m
2317  * Postconditions:
2318  *   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
2319  *   0 ≤ eval out1 < m
2320  *
2321  */
fiat_p256_sub(fiat_p256_montgomery_domain_field_element out1,const fiat_p256_montgomery_domain_field_element arg1,const fiat_p256_montgomery_domain_field_element arg2)2322 static FIAT_P256_FIAT_INLINE void fiat_p256_sub(fiat_p256_montgomery_domain_field_element out1, const fiat_p256_montgomery_domain_field_element arg1, const fiat_p256_montgomery_domain_field_element arg2) {
2323   uint32_t x1;
2324   fiat_p256_uint1 x2;
2325   uint32_t x3;
2326   fiat_p256_uint1 x4;
2327   uint32_t x5;
2328   fiat_p256_uint1 x6;
2329   uint32_t x7;
2330   fiat_p256_uint1 x8;
2331   uint32_t x9;
2332   fiat_p256_uint1 x10;
2333   uint32_t x11;
2334   fiat_p256_uint1 x12;
2335   uint32_t x13;
2336   fiat_p256_uint1 x14;
2337   uint32_t x15;
2338   fiat_p256_uint1 x16;
2339   uint32_t x17;
2340   uint32_t x18;
2341   fiat_p256_uint1 x19;
2342   uint32_t x20;
2343   fiat_p256_uint1 x21;
2344   uint32_t x22;
2345   fiat_p256_uint1 x23;
2346   uint32_t x24;
2347   fiat_p256_uint1 x25;
2348   uint32_t x26;
2349   fiat_p256_uint1 x27;
2350   uint32_t x28;
2351   fiat_p256_uint1 x29;
2352   uint32_t x30;
2353   fiat_p256_uint1 x31;
2354   uint32_t x32;
2355   fiat_p256_uint1 x33;
2356   fiat_p256_subborrowx_u32(&x1, &x2, 0x0, (arg1[0]), (arg2[0]));
2357   fiat_p256_subborrowx_u32(&x3, &x4, x2, (arg1[1]), (arg2[1]));
2358   fiat_p256_subborrowx_u32(&x5, &x6, x4, (arg1[2]), (arg2[2]));
2359   fiat_p256_subborrowx_u32(&x7, &x8, x6, (arg1[3]), (arg2[3]));
2360   fiat_p256_subborrowx_u32(&x9, &x10, x8, (arg1[4]), (arg2[4]));
2361   fiat_p256_subborrowx_u32(&x11, &x12, x10, (arg1[5]), (arg2[5]));
2362   fiat_p256_subborrowx_u32(&x13, &x14, x12, (arg1[6]), (arg2[6]));
2363   fiat_p256_subborrowx_u32(&x15, &x16, x14, (arg1[7]), (arg2[7]));
2364   fiat_p256_cmovznz_u32(&x17, x16, 0x0, UINT32_C(0xffffffff));
2365   fiat_p256_addcarryx_u32(&x18, &x19, 0x0, x1, x17);
2366   fiat_p256_addcarryx_u32(&x20, &x21, x19, x3, x17);
2367   fiat_p256_addcarryx_u32(&x22, &x23, x21, x5, x17);
2368   fiat_p256_addcarryx_u32(&x24, &x25, x23, x7, 0x0);
2369   fiat_p256_addcarryx_u32(&x26, &x27, x25, x9, 0x0);
2370   fiat_p256_addcarryx_u32(&x28, &x29, x27, x11, 0x0);
2371   fiat_p256_addcarryx_u32(&x30, &x31, x29, x13, (fiat_p256_uint1)(x17 & 0x1));
2372   fiat_p256_addcarryx_u32(&x32, &x33, x31, x15, x17);
2373   out1[0] = x18;
2374   out1[1] = x20;
2375   out1[2] = x22;
2376   out1[3] = x24;
2377   out1[4] = x26;
2378   out1[5] = x28;
2379   out1[6] = x30;
2380   out1[7] = x32;
2381 }
2382 
2383 /*
2384  * The function fiat_p256_opp negates a field element in the Montgomery domain.
2385  *
2386  * Preconditions:
2387  *   0 ≤ eval arg1 < m
2388  * Postconditions:
2389  *   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
2390  *   0 ≤ eval out1 < m
2391  *
2392  */
fiat_p256_opp(fiat_p256_montgomery_domain_field_element out1,const fiat_p256_montgomery_domain_field_element arg1)2393 static FIAT_P256_FIAT_INLINE void fiat_p256_opp(fiat_p256_montgomery_domain_field_element out1, const fiat_p256_montgomery_domain_field_element arg1) {
2394   uint32_t x1;
2395   fiat_p256_uint1 x2;
2396   uint32_t x3;
2397   fiat_p256_uint1 x4;
2398   uint32_t x5;
2399   fiat_p256_uint1 x6;
2400   uint32_t x7;
2401   fiat_p256_uint1 x8;
2402   uint32_t x9;
2403   fiat_p256_uint1 x10;
2404   uint32_t x11;
2405   fiat_p256_uint1 x12;
2406   uint32_t x13;
2407   fiat_p256_uint1 x14;
2408   uint32_t x15;
2409   fiat_p256_uint1 x16;
2410   uint32_t x17;
2411   uint32_t x18;
2412   fiat_p256_uint1 x19;
2413   uint32_t x20;
2414   fiat_p256_uint1 x21;
2415   uint32_t x22;
2416   fiat_p256_uint1 x23;
2417   uint32_t x24;
2418   fiat_p256_uint1 x25;
2419   uint32_t x26;
2420   fiat_p256_uint1 x27;
2421   uint32_t x28;
2422   fiat_p256_uint1 x29;
2423   uint32_t x30;
2424   fiat_p256_uint1 x31;
2425   uint32_t x32;
2426   fiat_p256_uint1 x33;
2427   fiat_p256_subborrowx_u32(&x1, &x2, 0x0, 0x0, (arg1[0]));
2428   fiat_p256_subborrowx_u32(&x3, &x4, x2, 0x0, (arg1[1]));
2429   fiat_p256_subborrowx_u32(&x5, &x6, x4, 0x0, (arg1[2]));
2430   fiat_p256_subborrowx_u32(&x7, &x8, x6, 0x0, (arg1[3]));
2431   fiat_p256_subborrowx_u32(&x9, &x10, x8, 0x0, (arg1[4]));
2432   fiat_p256_subborrowx_u32(&x11, &x12, x10, 0x0, (arg1[5]));
2433   fiat_p256_subborrowx_u32(&x13, &x14, x12, 0x0, (arg1[6]));
2434   fiat_p256_subborrowx_u32(&x15, &x16, x14, 0x0, (arg1[7]));
2435   fiat_p256_cmovznz_u32(&x17, x16, 0x0, UINT32_C(0xffffffff));
2436   fiat_p256_addcarryx_u32(&x18, &x19, 0x0, x1, x17);
2437   fiat_p256_addcarryx_u32(&x20, &x21, x19, x3, x17);
2438   fiat_p256_addcarryx_u32(&x22, &x23, x21, x5, x17);
2439   fiat_p256_addcarryx_u32(&x24, &x25, x23, x7, 0x0);
2440   fiat_p256_addcarryx_u32(&x26, &x27, x25, x9, 0x0);
2441   fiat_p256_addcarryx_u32(&x28, &x29, x27, x11, 0x0);
2442   fiat_p256_addcarryx_u32(&x30, &x31, x29, x13, (fiat_p256_uint1)(x17 & 0x1));
2443   fiat_p256_addcarryx_u32(&x32, &x33, x31, x15, x17);
2444   out1[0] = x18;
2445   out1[1] = x20;
2446   out1[2] = x22;
2447   out1[3] = x24;
2448   out1[4] = x26;
2449   out1[5] = x28;
2450   out1[6] = x30;
2451   out1[7] = x32;
2452 }
2453 
2454 /*
2455  * The function fiat_p256_from_montgomery translates a field element out of the Montgomery domain.
2456  *
2457  * Preconditions:
2458  *   0 ≤ eval arg1 < m
2459  * Postconditions:
2460  *   eval out1 mod m = (eval arg1 * ((2^32)⁻¹ mod m)^8) mod m
2461  *   0 ≤ eval out1 < m
2462  *
2463  */
fiat_p256_from_montgomery(fiat_p256_non_montgomery_domain_field_element out1,const fiat_p256_montgomery_domain_field_element arg1)2464 static FIAT_P256_FIAT_INLINE void fiat_p256_from_montgomery(fiat_p256_non_montgomery_domain_field_element out1, const fiat_p256_montgomery_domain_field_element arg1) {
2465   uint32_t x1;
2466   uint32_t x2;
2467   uint32_t x3;
2468   uint32_t x4;
2469   uint32_t x5;
2470   uint32_t x6;
2471   uint32_t x7;
2472   uint32_t x8;
2473   uint32_t x9;
2474   uint32_t x10;
2475   fiat_p256_uint1 x11;
2476   uint32_t x12;
2477   fiat_p256_uint1 x13;
2478   uint32_t x14;
2479   fiat_p256_uint1 x15;
2480   uint32_t x16;
2481   fiat_p256_uint1 x17;
2482   uint32_t x18;
2483   fiat_p256_uint1 x19;
2484   uint32_t x20;
2485   fiat_p256_uint1 x21;
2486   uint32_t x22;
2487   fiat_p256_uint1 x23;
2488   uint32_t x24;
2489   fiat_p256_uint1 x25;
2490   uint32_t x26;
2491   fiat_p256_uint1 x27;
2492   uint32_t x28;
2493   uint32_t x29;
2494   uint32_t x30;
2495   uint32_t x31;
2496   uint32_t x32;
2497   uint32_t x33;
2498   uint32_t x34;
2499   uint32_t x35;
2500   uint32_t x36;
2501   fiat_p256_uint1 x37;
2502   uint32_t x38;
2503   fiat_p256_uint1 x39;
2504   uint32_t x40;
2505   fiat_p256_uint1 x41;
2506   uint32_t x42;
2507   fiat_p256_uint1 x43;
2508   uint32_t x44;
2509   fiat_p256_uint1 x45;
2510   uint32_t x46;
2511   fiat_p256_uint1 x47;
2512   uint32_t x48;
2513   fiat_p256_uint1 x49;
2514   uint32_t x50;
2515   fiat_p256_uint1 x51;
2516   uint32_t x52;
2517   fiat_p256_uint1 x53;
2518   uint32_t x54;
2519   fiat_p256_uint1 x55;
2520   uint32_t x56;
2521   fiat_p256_uint1 x57;
2522   uint32_t x58;
2523   uint32_t x59;
2524   uint32_t x60;
2525   uint32_t x61;
2526   uint32_t x62;
2527   uint32_t x63;
2528   uint32_t x64;
2529   uint32_t x65;
2530   uint32_t x66;
2531   fiat_p256_uint1 x67;
2532   uint32_t x68;
2533   fiat_p256_uint1 x69;
2534   uint32_t x70;
2535   fiat_p256_uint1 x71;
2536   uint32_t x72;
2537   fiat_p256_uint1 x73;
2538   uint32_t x74;
2539   fiat_p256_uint1 x75;
2540   uint32_t x76;
2541   fiat_p256_uint1 x77;
2542   uint32_t x78;
2543   fiat_p256_uint1 x79;
2544   uint32_t x80;
2545   fiat_p256_uint1 x81;
2546   uint32_t x82;
2547   fiat_p256_uint1 x83;
2548   uint32_t x84;
2549   fiat_p256_uint1 x85;
2550   uint32_t x86;
2551   fiat_p256_uint1 x87;
2552   uint32_t x88;
2553   fiat_p256_uint1 x89;
2554   uint32_t x90;
2555   fiat_p256_uint1 x91;
2556   uint32_t x92;
2557   fiat_p256_uint1 x93;
2558   uint32_t x94;
2559   fiat_p256_uint1 x95;
2560   uint32_t x96;
2561   fiat_p256_uint1 x97;
2562   uint32_t x98;
2563   fiat_p256_uint1 x99;
2564   uint32_t x100;
2565   fiat_p256_uint1 x101;
2566   uint32_t x102;
2567   uint32_t x103;
2568   uint32_t x104;
2569   uint32_t x105;
2570   uint32_t x106;
2571   uint32_t x107;
2572   uint32_t x108;
2573   uint32_t x109;
2574   uint32_t x110;
2575   fiat_p256_uint1 x111;
2576   uint32_t x112;
2577   fiat_p256_uint1 x113;
2578   uint32_t x114;
2579   fiat_p256_uint1 x115;
2580   uint32_t x116;
2581   fiat_p256_uint1 x117;
2582   uint32_t x118;
2583   fiat_p256_uint1 x119;
2584   uint32_t x120;
2585   fiat_p256_uint1 x121;
2586   uint32_t x122;
2587   fiat_p256_uint1 x123;
2588   uint32_t x124;
2589   fiat_p256_uint1 x125;
2590   uint32_t x126;
2591   fiat_p256_uint1 x127;
2592   uint32_t x128;
2593   fiat_p256_uint1 x129;
2594   uint32_t x130;
2595   fiat_p256_uint1 x131;
2596   uint32_t x132;
2597   fiat_p256_uint1 x133;
2598   uint32_t x134;
2599   fiat_p256_uint1 x135;
2600   uint32_t x136;
2601   fiat_p256_uint1 x137;
2602   uint32_t x138;
2603   fiat_p256_uint1 x139;
2604   uint32_t x140;
2605   fiat_p256_uint1 x141;
2606   uint32_t x142;
2607   fiat_p256_uint1 x143;
2608   uint32_t x144;
2609   fiat_p256_uint1 x145;
2610   uint32_t x146;
2611   fiat_p256_uint1 x147;
2612   uint32_t x148;
2613   uint32_t x149;
2614   uint32_t x150;
2615   uint32_t x151;
2616   uint32_t x152;
2617   uint32_t x153;
2618   uint32_t x154;
2619   uint32_t x155;
2620   uint32_t x156;
2621   fiat_p256_uint1 x157;
2622   uint32_t x158;
2623   fiat_p256_uint1 x159;
2624   uint32_t x160;
2625   fiat_p256_uint1 x161;
2626   uint32_t x162;
2627   fiat_p256_uint1 x163;
2628   uint32_t x164;
2629   fiat_p256_uint1 x165;
2630   uint32_t x166;
2631   fiat_p256_uint1 x167;
2632   uint32_t x168;
2633   fiat_p256_uint1 x169;
2634   uint32_t x170;
2635   fiat_p256_uint1 x171;
2636   uint32_t x172;
2637   fiat_p256_uint1 x173;
2638   uint32_t x174;
2639   fiat_p256_uint1 x175;
2640   uint32_t x176;
2641   fiat_p256_uint1 x177;
2642   uint32_t x178;
2643   fiat_p256_uint1 x179;
2644   uint32_t x180;
2645   fiat_p256_uint1 x181;
2646   uint32_t x182;
2647   fiat_p256_uint1 x183;
2648   uint32_t x184;
2649   fiat_p256_uint1 x185;
2650   uint32_t x186;
2651   fiat_p256_uint1 x187;
2652   uint32_t x188;
2653   fiat_p256_uint1 x189;
2654   uint32_t x190;
2655   fiat_p256_uint1 x191;
2656   uint32_t x192;
2657   fiat_p256_uint1 x193;
2658   uint32_t x194;
2659   uint32_t x195;
2660   uint32_t x196;
2661   uint32_t x197;
2662   uint32_t x198;
2663   uint32_t x199;
2664   uint32_t x200;
2665   uint32_t x201;
2666   uint32_t x202;
2667   fiat_p256_uint1 x203;
2668   uint32_t x204;
2669   fiat_p256_uint1 x205;
2670   uint32_t x206;
2671   fiat_p256_uint1 x207;
2672   uint32_t x208;
2673   fiat_p256_uint1 x209;
2674   uint32_t x210;
2675   fiat_p256_uint1 x211;
2676   uint32_t x212;
2677   fiat_p256_uint1 x213;
2678   uint32_t x214;
2679   fiat_p256_uint1 x215;
2680   uint32_t x216;
2681   fiat_p256_uint1 x217;
2682   uint32_t x218;
2683   fiat_p256_uint1 x219;
2684   uint32_t x220;
2685   fiat_p256_uint1 x221;
2686   uint32_t x222;
2687   fiat_p256_uint1 x223;
2688   uint32_t x224;
2689   fiat_p256_uint1 x225;
2690   uint32_t x226;
2691   fiat_p256_uint1 x227;
2692   uint32_t x228;
2693   fiat_p256_uint1 x229;
2694   uint32_t x230;
2695   fiat_p256_uint1 x231;
2696   uint32_t x232;
2697   fiat_p256_uint1 x233;
2698   uint32_t x234;
2699   fiat_p256_uint1 x235;
2700   uint32_t x236;
2701   fiat_p256_uint1 x237;
2702   uint32_t x238;
2703   fiat_p256_uint1 x239;
2704   uint32_t x240;
2705   uint32_t x241;
2706   uint32_t x242;
2707   uint32_t x243;
2708   uint32_t x244;
2709   uint32_t x245;
2710   uint32_t x246;
2711   uint32_t x247;
2712   uint32_t x248;
2713   fiat_p256_uint1 x249;
2714   uint32_t x250;
2715   fiat_p256_uint1 x251;
2716   uint32_t x252;
2717   fiat_p256_uint1 x253;
2718   uint32_t x254;
2719   fiat_p256_uint1 x255;
2720   uint32_t x256;
2721   fiat_p256_uint1 x257;
2722   uint32_t x258;
2723   fiat_p256_uint1 x259;
2724   uint32_t x260;
2725   fiat_p256_uint1 x261;
2726   uint32_t x262;
2727   fiat_p256_uint1 x263;
2728   uint32_t x264;
2729   fiat_p256_uint1 x265;
2730   uint32_t x266;
2731   fiat_p256_uint1 x267;
2732   uint32_t x268;
2733   fiat_p256_uint1 x269;
2734   uint32_t x270;
2735   fiat_p256_uint1 x271;
2736   uint32_t x272;
2737   fiat_p256_uint1 x273;
2738   uint32_t x274;
2739   fiat_p256_uint1 x275;
2740   uint32_t x276;
2741   fiat_p256_uint1 x277;
2742   uint32_t x278;
2743   fiat_p256_uint1 x279;
2744   uint32_t x280;
2745   fiat_p256_uint1 x281;
2746   uint32_t x282;
2747   fiat_p256_uint1 x283;
2748   uint32_t x284;
2749   fiat_p256_uint1 x285;
2750   uint32_t x286;
2751   uint32_t x287;
2752   uint32_t x288;
2753   uint32_t x289;
2754   uint32_t x290;
2755   uint32_t x291;
2756   uint32_t x292;
2757   uint32_t x293;
2758   uint32_t x294;
2759   fiat_p256_uint1 x295;
2760   uint32_t x296;
2761   fiat_p256_uint1 x297;
2762   uint32_t x298;
2763   fiat_p256_uint1 x299;
2764   uint32_t x300;
2765   fiat_p256_uint1 x301;
2766   uint32_t x302;
2767   fiat_p256_uint1 x303;
2768   uint32_t x304;
2769   fiat_p256_uint1 x305;
2770   uint32_t x306;
2771   fiat_p256_uint1 x307;
2772   uint32_t x308;
2773   fiat_p256_uint1 x309;
2774   uint32_t x310;
2775   fiat_p256_uint1 x311;
2776   uint32_t x312;
2777   fiat_p256_uint1 x313;
2778   uint32_t x314;
2779   fiat_p256_uint1 x315;
2780   uint32_t x316;
2781   fiat_p256_uint1 x317;
2782   uint32_t x318;
2783   fiat_p256_uint1 x319;
2784   uint32_t x320;
2785   fiat_p256_uint1 x321;
2786   uint32_t x322;
2787   fiat_p256_uint1 x323;
2788   uint32_t x324;
2789   fiat_p256_uint1 x325;
2790   uint32_t x326;
2791   fiat_p256_uint1 x327;
2792   uint32_t x328;
2793   fiat_p256_uint1 x329;
2794   uint32_t x330;
2795   fiat_p256_uint1 x331;
2796   uint32_t x332;
2797   fiat_p256_uint1 x333;
2798   uint32_t x334;
2799   uint32_t x335;
2800   uint32_t x336;
2801   uint32_t x337;
2802   uint32_t x338;
2803   uint32_t x339;
2804   uint32_t x340;
2805   uint32_t x341;
2806   x1 = (arg1[0]);
2807   fiat_p256_mulx_u32(&x2, &x3, x1, UINT32_C(0xffffffff));
2808   fiat_p256_mulx_u32(&x4, &x5, x1, UINT32_C(0xffffffff));
2809   fiat_p256_mulx_u32(&x6, &x7, x1, UINT32_C(0xffffffff));
2810   fiat_p256_mulx_u32(&x8, &x9, x1, UINT32_C(0xffffffff));
2811   fiat_p256_addcarryx_u32(&x10, &x11, 0x0, x9, x6);
2812   fiat_p256_addcarryx_u32(&x12, &x13, x11, x7, x4);
2813   fiat_p256_addcarryx_u32(&x14, &x15, 0x0, x1, x8);
2814   fiat_p256_addcarryx_u32(&x16, &x17, x15, 0x0, x10);
2815   fiat_p256_addcarryx_u32(&x18, &x19, x17, 0x0, x12);
2816   fiat_p256_addcarryx_u32(&x20, &x21, x19, 0x0, (x13 + x5));
2817   fiat_p256_addcarryx_u32(&x22, &x23, 0x0, x16, (arg1[1]));
2818   fiat_p256_addcarryx_u32(&x24, &x25, x23, x18, 0x0);
2819   fiat_p256_addcarryx_u32(&x26, &x27, x25, x20, 0x0);
2820   fiat_p256_mulx_u32(&x28, &x29, x22, UINT32_C(0xffffffff));
2821   fiat_p256_mulx_u32(&x30, &x31, x22, UINT32_C(0xffffffff));
2822   fiat_p256_mulx_u32(&x32, &x33, x22, UINT32_C(0xffffffff));
2823   fiat_p256_mulx_u32(&x34, &x35, x22, UINT32_C(0xffffffff));
2824   fiat_p256_addcarryx_u32(&x36, &x37, 0x0, x35, x32);
2825   fiat_p256_addcarryx_u32(&x38, &x39, x37, x33, x30);
2826   fiat_p256_addcarryx_u32(&x40, &x41, 0x0, x22, x34);
2827   fiat_p256_addcarryx_u32(&x42, &x43, x41, x24, x36);
2828   fiat_p256_addcarryx_u32(&x44, &x45, x43, x26, x38);
2829   fiat_p256_addcarryx_u32(&x46, &x47, x45, ((uint32_t)x27 + x21), (x39 + x31));
2830   fiat_p256_addcarryx_u32(&x48, &x49, 0x0, x2, x22);
2831   fiat_p256_addcarryx_u32(&x50, &x51, x49, x3, x28);
2832   fiat_p256_addcarryx_u32(&x52, &x53, 0x0, x42, (arg1[2]));
2833   fiat_p256_addcarryx_u32(&x54, &x55, x53, x44, 0x0);
2834   fiat_p256_addcarryx_u32(&x56, &x57, x55, x46, 0x0);
2835   fiat_p256_mulx_u32(&x58, &x59, x52, UINT32_C(0xffffffff));
2836   fiat_p256_mulx_u32(&x60, &x61, x52, UINT32_C(0xffffffff));
2837   fiat_p256_mulx_u32(&x62, &x63, x52, UINT32_C(0xffffffff));
2838   fiat_p256_mulx_u32(&x64, &x65, x52, UINT32_C(0xffffffff));
2839   fiat_p256_addcarryx_u32(&x66, &x67, 0x0, x65, x62);
2840   fiat_p256_addcarryx_u32(&x68, &x69, x67, x63, x60);
2841   fiat_p256_addcarryx_u32(&x70, &x71, 0x0, x52, x64);
2842   fiat_p256_addcarryx_u32(&x72, &x73, x71, x54, x66);
2843   fiat_p256_addcarryx_u32(&x74, &x75, x73, x56, x68);
2844   fiat_p256_addcarryx_u32(&x76, &x77, x75, ((uint32_t)x57 + x47), (x69 + x61));
2845   fiat_p256_addcarryx_u32(&x78, &x79, x77, x1, 0x0);
2846   fiat_p256_addcarryx_u32(&x80, &x81, x79, x48, 0x0);
2847   fiat_p256_addcarryx_u32(&x82, &x83, x81, x50, x52);
2848   fiat_p256_addcarryx_u32(&x84, &x85, x83, (x51 + x29), x58);
2849   fiat_p256_addcarryx_u32(&x86, &x87, 0x0, x72, (arg1[3]));
2850   fiat_p256_addcarryx_u32(&x88, &x89, x87, x74, 0x0);
2851   fiat_p256_addcarryx_u32(&x90, &x91, x89, x76, 0x0);
2852   fiat_p256_addcarryx_u32(&x92, &x93, x91, x78, 0x0);
2853   fiat_p256_addcarryx_u32(&x94, &x95, x93, x80, 0x0);
2854   fiat_p256_addcarryx_u32(&x96, &x97, x95, x82, 0x0);
2855   fiat_p256_addcarryx_u32(&x98, &x99, x97, x84, 0x0);
2856   fiat_p256_addcarryx_u32(&x100, &x101, x99, (x85 + x59), 0x0);
2857   fiat_p256_mulx_u32(&x102, &x103, x86, UINT32_C(0xffffffff));
2858   fiat_p256_mulx_u32(&x104, &x105, x86, UINT32_C(0xffffffff));
2859   fiat_p256_mulx_u32(&x106, &x107, x86, UINT32_C(0xffffffff));
2860   fiat_p256_mulx_u32(&x108, &x109, x86, UINT32_C(0xffffffff));
2861   fiat_p256_addcarryx_u32(&x110, &x111, 0x0, x109, x106);
2862   fiat_p256_addcarryx_u32(&x112, &x113, x111, x107, x104);
2863   fiat_p256_addcarryx_u32(&x114, &x115, 0x0, x86, x108);
2864   fiat_p256_addcarryx_u32(&x116, &x117, x115, x88, x110);
2865   fiat_p256_addcarryx_u32(&x118, &x119, x117, x90, x112);
2866   fiat_p256_addcarryx_u32(&x120, &x121, x119, x92, (x113 + x105));
2867   fiat_p256_addcarryx_u32(&x122, &x123, x121, x94, 0x0);
2868   fiat_p256_addcarryx_u32(&x124, &x125, x123, x96, 0x0);
2869   fiat_p256_addcarryx_u32(&x126, &x127, x125, x98, x86);
2870   fiat_p256_addcarryx_u32(&x128, &x129, x127, x100, x102);
2871   fiat_p256_addcarryx_u32(&x130, &x131, x129, x101, x103);
2872   fiat_p256_addcarryx_u32(&x132, &x133, 0x0, x116, (arg1[4]));
2873   fiat_p256_addcarryx_u32(&x134, &x135, x133, x118, 0x0);
2874   fiat_p256_addcarryx_u32(&x136, &x137, x135, x120, 0x0);
2875   fiat_p256_addcarryx_u32(&x138, &x139, x137, x122, 0x0);
2876   fiat_p256_addcarryx_u32(&x140, &x141, x139, x124, 0x0);
2877   fiat_p256_addcarryx_u32(&x142, &x143, x141, x126, 0x0);
2878   fiat_p256_addcarryx_u32(&x144, &x145, x143, x128, 0x0);
2879   fiat_p256_addcarryx_u32(&x146, &x147, x145, x130, 0x0);
2880   fiat_p256_mulx_u32(&x148, &x149, x132, UINT32_C(0xffffffff));
2881   fiat_p256_mulx_u32(&x150, &x151, x132, UINT32_C(0xffffffff));
2882   fiat_p256_mulx_u32(&x152, &x153, x132, UINT32_C(0xffffffff));
2883   fiat_p256_mulx_u32(&x154, &x155, x132, UINT32_C(0xffffffff));
2884   fiat_p256_addcarryx_u32(&x156, &x157, 0x0, x155, x152);
2885   fiat_p256_addcarryx_u32(&x158, &x159, x157, x153, x150);
2886   fiat_p256_addcarryx_u32(&x160, &x161, 0x0, x132, x154);
2887   fiat_p256_addcarryx_u32(&x162, &x163, x161, x134, x156);
2888   fiat_p256_addcarryx_u32(&x164, &x165, x163, x136, x158);
2889   fiat_p256_addcarryx_u32(&x166, &x167, x165, x138, (x159 + x151));
2890   fiat_p256_addcarryx_u32(&x168, &x169, x167, x140, 0x0);
2891   fiat_p256_addcarryx_u32(&x170, &x171, x169, x142, 0x0);
2892   fiat_p256_addcarryx_u32(&x172, &x173, x171, x144, x132);
2893   fiat_p256_addcarryx_u32(&x174, &x175, x173, x146, x148);
2894   fiat_p256_addcarryx_u32(&x176, &x177, x175, ((uint32_t)x147 + x131), x149);
2895   fiat_p256_addcarryx_u32(&x178, &x179, 0x0, x162, (arg1[5]));
2896   fiat_p256_addcarryx_u32(&x180, &x181, x179, x164, 0x0);
2897   fiat_p256_addcarryx_u32(&x182, &x183, x181, x166, 0x0);
2898   fiat_p256_addcarryx_u32(&x184, &x185, x183, x168, 0x0);
2899   fiat_p256_addcarryx_u32(&x186, &x187, x185, x170, 0x0);
2900   fiat_p256_addcarryx_u32(&x188, &x189, x187, x172, 0x0);
2901   fiat_p256_addcarryx_u32(&x190, &x191, x189, x174, 0x0);
2902   fiat_p256_addcarryx_u32(&x192, &x193, x191, x176, 0x0);
2903   fiat_p256_mulx_u32(&x194, &x195, x178, UINT32_C(0xffffffff));
2904   fiat_p256_mulx_u32(&x196, &x197, x178, UINT32_C(0xffffffff));
2905   fiat_p256_mulx_u32(&x198, &x199, x178, UINT32_C(0xffffffff));
2906   fiat_p256_mulx_u32(&x200, &x201, x178, UINT32_C(0xffffffff));
2907   fiat_p256_addcarryx_u32(&x202, &x203, 0x0, x201, x198);
2908   fiat_p256_addcarryx_u32(&x204, &x205, x203, x199, x196);
2909   fiat_p256_addcarryx_u32(&x206, &x207, 0x0, x178, x200);
2910   fiat_p256_addcarryx_u32(&x208, &x209, x207, x180, x202);
2911   fiat_p256_addcarryx_u32(&x210, &x211, x209, x182, x204);
2912   fiat_p256_addcarryx_u32(&x212, &x213, x211, x184, (x205 + x197));
2913   fiat_p256_addcarryx_u32(&x214, &x215, x213, x186, 0x0);
2914   fiat_p256_addcarryx_u32(&x216, &x217, x215, x188, 0x0);
2915   fiat_p256_addcarryx_u32(&x218, &x219, x217, x190, x178);
2916   fiat_p256_addcarryx_u32(&x220, &x221, x219, x192, x194);
2917   fiat_p256_addcarryx_u32(&x222, &x223, x221, ((uint32_t)x193 + x177), x195);
2918   fiat_p256_addcarryx_u32(&x224, &x225, 0x0, x208, (arg1[6]));
2919   fiat_p256_addcarryx_u32(&x226, &x227, x225, x210, 0x0);
2920   fiat_p256_addcarryx_u32(&x228, &x229, x227, x212, 0x0);
2921   fiat_p256_addcarryx_u32(&x230, &x231, x229, x214, 0x0);
2922   fiat_p256_addcarryx_u32(&x232, &x233, x231, x216, 0x0);
2923   fiat_p256_addcarryx_u32(&x234, &x235, x233, x218, 0x0);
2924   fiat_p256_addcarryx_u32(&x236, &x237, x235, x220, 0x0);
2925   fiat_p256_addcarryx_u32(&x238, &x239, x237, x222, 0x0);
2926   fiat_p256_mulx_u32(&x240, &x241, x224, UINT32_C(0xffffffff));
2927   fiat_p256_mulx_u32(&x242, &x243, x224, UINT32_C(0xffffffff));
2928   fiat_p256_mulx_u32(&x244, &x245, x224, UINT32_C(0xffffffff));
2929   fiat_p256_mulx_u32(&x246, &x247, x224, UINT32_C(0xffffffff));
2930   fiat_p256_addcarryx_u32(&x248, &x249, 0x0, x247, x244);
2931   fiat_p256_addcarryx_u32(&x250, &x251, x249, x245, x242);
2932   fiat_p256_addcarryx_u32(&x252, &x253, 0x0, x224, x246);
2933   fiat_p256_addcarryx_u32(&x254, &x255, x253, x226, x248);
2934   fiat_p256_addcarryx_u32(&x256, &x257, x255, x228, x250);
2935   fiat_p256_addcarryx_u32(&x258, &x259, x257, x230, (x251 + x243));
2936   fiat_p256_addcarryx_u32(&x260, &x261, x259, x232, 0x0);
2937   fiat_p256_addcarryx_u32(&x262, &x263, x261, x234, 0x0);
2938   fiat_p256_addcarryx_u32(&x264, &x265, x263, x236, x224);
2939   fiat_p256_addcarryx_u32(&x266, &x267, x265, x238, x240);
2940   fiat_p256_addcarryx_u32(&x268, &x269, x267, ((uint32_t)x239 + x223), x241);
2941   fiat_p256_addcarryx_u32(&x270, &x271, 0x0, x254, (arg1[7]));
2942   fiat_p256_addcarryx_u32(&x272, &x273, x271, x256, 0x0);
2943   fiat_p256_addcarryx_u32(&x274, &x275, x273, x258, 0x0);
2944   fiat_p256_addcarryx_u32(&x276, &x277, x275, x260, 0x0);
2945   fiat_p256_addcarryx_u32(&x278, &x279, x277, x262, 0x0);
2946   fiat_p256_addcarryx_u32(&x280, &x281, x279, x264, 0x0);
2947   fiat_p256_addcarryx_u32(&x282, &x283, x281, x266, 0x0);
2948   fiat_p256_addcarryx_u32(&x284, &x285, x283, x268, 0x0);
2949   fiat_p256_mulx_u32(&x286, &x287, x270, UINT32_C(0xffffffff));
2950   fiat_p256_mulx_u32(&x288, &x289, x270, UINT32_C(0xffffffff));
2951   fiat_p256_mulx_u32(&x290, &x291, x270, UINT32_C(0xffffffff));
2952   fiat_p256_mulx_u32(&x292, &x293, x270, UINT32_C(0xffffffff));
2953   fiat_p256_addcarryx_u32(&x294, &x295, 0x0, x293, x290);
2954   fiat_p256_addcarryx_u32(&x296, &x297, x295, x291, x288);
2955   fiat_p256_addcarryx_u32(&x298, &x299, 0x0, x270, x292);
2956   fiat_p256_addcarryx_u32(&x300, &x301, x299, x272, x294);
2957   fiat_p256_addcarryx_u32(&x302, &x303, x301, x274, x296);
2958   fiat_p256_addcarryx_u32(&x304, &x305, x303, x276, (x297 + x289));
2959   fiat_p256_addcarryx_u32(&x306, &x307, x305, x278, 0x0);
2960   fiat_p256_addcarryx_u32(&x308, &x309, x307, x280, 0x0);
2961   fiat_p256_addcarryx_u32(&x310, &x311, x309, x282, x270);
2962   fiat_p256_addcarryx_u32(&x312, &x313, x311, x284, x286);
2963   fiat_p256_addcarryx_u32(&x314, &x315, x313, ((uint32_t)x285 + x269), x287);
2964   fiat_p256_subborrowx_u32(&x316, &x317, 0x0, x300, UINT32_C(0xffffffff));
2965   fiat_p256_subborrowx_u32(&x318, &x319, x317, x302, UINT32_C(0xffffffff));
2966   fiat_p256_subborrowx_u32(&x320, &x321, x319, x304, UINT32_C(0xffffffff));
2967   fiat_p256_subborrowx_u32(&x322, &x323, x321, x306, 0x0);
2968   fiat_p256_subborrowx_u32(&x324, &x325, x323, x308, 0x0);
2969   fiat_p256_subborrowx_u32(&x326, &x327, x325, x310, 0x0);
2970   fiat_p256_subborrowx_u32(&x328, &x329, x327, x312, 0x1);
2971   fiat_p256_subborrowx_u32(&x330, &x331, x329, x314, UINT32_C(0xffffffff));
2972   fiat_p256_subborrowx_u32(&x332, &x333, x331, x315, 0x0);
2973   fiat_p256_cmovznz_u32(&x334, x333, x316, x300);
2974   fiat_p256_cmovznz_u32(&x335, x333, x318, x302);
2975   fiat_p256_cmovznz_u32(&x336, x333, x320, x304);
2976   fiat_p256_cmovznz_u32(&x337, x333, x322, x306);
2977   fiat_p256_cmovznz_u32(&x338, x333, x324, x308);
2978   fiat_p256_cmovznz_u32(&x339, x333, x326, x310);
2979   fiat_p256_cmovznz_u32(&x340, x333, x328, x312);
2980   fiat_p256_cmovznz_u32(&x341, x333, x330, x314);
2981   out1[0] = x334;
2982   out1[1] = x335;
2983   out1[2] = x336;
2984   out1[3] = x337;
2985   out1[4] = x338;
2986   out1[5] = x339;
2987   out1[6] = x340;
2988   out1[7] = x341;
2989 }
2990 
2991 /*
2992  * The function fiat_p256_to_montgomery translates a field element into the Montgomery domain.
2993  *
2994  * Preconditions:
2995  *   0 ≤ eval arg1 < m
2996  * Postconditions:
2997  *   eval (from_montgomery out1) mod m = eval arg1 mod m
2998  *   0 ≤ eval out1 < m
2999  *
3000  */
fiat_p256_to_montgomery(fiat_p256_montgomery_domain_field_element out1,const fiat_p256_non_montgomery_domain_field_element arg1)3001 static FIAT_P256_FIAT_INLINE void fiat_p256_to_montgomery(fiat_p256_montgomery_domain_field_element out1, const fiat_p256_non_montgomery_domain_field_element arg1) {
3002   uint32_t x1;
3003   uint32_t x2;
3004   uint32_t x3;
3005   uint32_t x4;
3006   uint32_t x5;
3007   uint32_t x6;
3008   uint32_t x7;
3009   uint32_t x8;
3010   uint32_t x9;
3011   uint32_t x10;
3012   uint32_t x11;
3013   uint32_t x12;
3014   uint32_t x13;
3015   uint32_t x14;
3016   uint32_t x15;
3017   uint32_t x16;
3018   uint32_t x17;
3019   uint32_t x18;
3020   uint32_t x19;
3021   uint32_t x20;
3022   uint32_t x21;
3023   uint32_t x22;
3024   uint32_t x23;
3025   fiat_p256_uint1 x24;
3026   uint32_t x25;
3027   fiat_p256_uint1 x26;
3028   uint32_t x27;
3029   fiat_p256_uint1 x28;
3030   uint32_t x29;
3031   fiat_p256_uint1 x30;
3032   uint32_t x31;
3033   fiat_p256_uint1 x32;
3034   uint32_t x33;
3035   uint32_t x34;
3036   uint32_t x35;
3037   uint32_t x36;
3038   uint32_t x37;
3039   uint32_t x38;
3040   uint32_t x39;
3041   uint32_t x40;
3042   uint32_t x41;
3043   fiat_p256_uint1 x42;
3044   uint32_t x43;
3045   fiat_p256_uint1 x44;
3046   uint32_t x45;
3047   fiat_p256_uint1 x46;
3048   uint32_t x47;
3049   fiat_p256_uint1 x48;
3050   uint32_t x49;
3051   fiat_p256_uint1 x50;
3052   uint32_t x51;
3053   fiat_p256_uint1 x52;
3054   uint32_t x53;
3055   fiat_p256_uint1 x54;
3056   uint32_t x55;
3057   fiat_p256_uint1 x56;
3058   uint32_t x57;
3059   fiat_p256_uint1 x58;
3060   uint32_t x59;
3061   fiat_p256_uint1 x60;
3062   uint32_t x61;
3063   fiat_p256_uint1 x62;
3064   uint32_t x63;
3065   uint32_t x64;
3066   uint32_t x65;
3067   uint32_t x66;
3068   uint32_t x67;
3069   uint32_t x68;
3070   uint32_t x69;
3071   uint32_t x70;
3072   uint32_t x71;
3073   uint32_t x72;
3074   uint32_t x73;
3075   uint32_t x74;
3076   uint32_t x75;
3077   uint32_t x76;
3078   uint32_t x77;
3079   fiat_p256_uint1 x78;
3080   uint32_t x79;
3081   fiat_p256_uint1 x80;
3082   uint32_t x81;
3083   fiat_p256_uint1 x82;
3084   uint32_t x83;
3085   fiat_p256_uint1 x84;
3086   uint32_t x85;
3087   fiat_p256_uint1 x86;
3088   uint32_t x87;
3089   fiat_p256_uint1 x88;
3090   uint32_t x89;
3091   fiat_p256_uint1 x90;
3092   uint32_t x91;
3093   fiat_p256_uint1 x92;
3094   uint32_t x93;
3095   fiat_p256_uint1 x94;
3096   uint32_t x95;
3097   fiat_p256_uint1 x96;
3098   uint32_t x97;
3099   fiat_p256_uint1 x98;
3100   uint32_t x99;
3101   fiat_p256_uint1 x100;
3102   uint32_t x101;
3103   fiat_p256_uint1 x102;
3104   uint32_t x103;
3105   uint32_t x104;
3106   uint32_t x105;
3107   uint32_t x106;
3108   uint32_t x107;
3109   uint32_t x108;
3110   uint32_t x109;
3111   uint32_t x110;
3112   uint32_t x111;
3113   fiat_p256_uint1 x112;
3114   uint32_t x113;
3115   fiat_p256_uint1 x114;
3116   uint32_t x115;
3117   fiat_p256_uint1 x116;
3118   uint32_t x117;
3119   fiat_p256_uint1 x118;
3120   uint32_t x119;
3121   fiat_p256_uint1 x120;
3122   uint32_t x121;
3123   fiat_p256_uint1 x122;
3124   uint32_t x123;
3125   fiat_p256_uint1 x124;
3126   uint32_t x125;
3127   fiat_p256_uint1 x126;
3128   uint32_t x127;
3129   fiat_p256_uint1 x128;
3130   uint32_t x129;
3131   fiat_p256_uint1 x130;
3132   uint32_t x131;
3133   fiat_p256_uint1 x132;
3134   uint32_t x133;
3135   uint32_t x134;
3136   uint32_t x135;
3137   uint32_t x136;
3138   uint32_t x137;
3139   uint32_t x138;
3140   uint32_t x139;
3141   uint32_t x140;
3142   uint32_t x141;
3143   uint32_t x142;
3144   uint32_t x143;
3145   uint32_t x144;
3146   uint32_t x145;
3147   uint32_t x146;
3148   uint32_t x147;
3149   fiat_p256_uint1 x148;
3150   uint32_t x149;
3151   fiat_p256_uint1 x150;
3152   uint32_t x151;
3153   fiat_p256_uint1 x152;
3154   uint32_t x153;
3155   fiat_p256_uint1 x154;
3156   uint32_t x155;
3157   fiat_p256_uint1 x156;
3158   uint32_t x157;
3159   fiat_p256_uint1 x158;
3160   uint32_t x159;
3161   fiat_p256_uint1 x160;
3162   uint32_t x161;
3163   fiat_p256_uint1 x162;
3164   uint32_t x163;
3165   fiat_p256_uint1 x164;
3166   uint32_t x165;
3167   fiat_p256_uint1 x166;
3168   uint32_t x167;
3169   fiat_p256_uint1 x168;
3170   uint32_t x169;
3171   fiat_p256_uint1 x170;
3172   uint32_t x171;
3173   fiat_p256_uint1 x172;
3174   uint32_t x173;
3175   uint32_t x174;
3176   uint32_t x175;
3177   uint32_t x176;
3178   uint32_t x177;
3179   uint32_t x178;
3180   uint32_t x179;
3181   uint32_t x180;
3182   uint32_t x181;
3183   fiat_p256_uint1 x182;
3184   uint32_t x183;
3185   fiat_p256_uint1 x184;
3186   uint32_t x185;
3187   fiat_p256_uint1 x186;
3188   uint32_t x187;
3189   fiat_p256_uint1 x188;
3190   uint32_t x189;
3191   fiat_p256_uint1 x190;
3192   uint32_t x191;
3193   fiat_p256_uint1 x192;
3194   uint32_t x193;
3195   fiat_p256_uint1 x194;
3196   uint32_t x195;
3197   fiat_p256_uint1 x196;
3198   uint32_t x197;
3199   fiat_p256_uint1 x198;
3200   uint32_t x199;
3201   fiat_p256_uint1 x200;
3202   uint32_t x201;
3203   fiat_p256_uint1 x202;
3204   uint32_t x203;
3205   uint32_t x204;
3206   uint32_t x205;
3207   uint32_t x206;
3208   uint32_t x207;
3209   uint32_t x208;
3210   uint32_t x209;
3211   uint32_t x210;
3212   uint32_t x211;
3213   uint32_t x212;
3214   uint32_t x213;
3215   uint32_t x214;
3216   uint32_t x215;
3217   uint32_t x216;
3218   uint32_t x217;
3219   fiat_p256_uint1 x218;
3220   uint32_t x219;
3221   fiat_p256_uint1 x220;
3222   uint32_t x221;
3223   fiat_p256_uint1 x222;
3224   uint32_t x223;
3225   fiat_p256_uint1 x224;
3226   uint32_t x225;
3227   fiat_p256_uint1 x226;
3228   uint32_t x227;
3229   fiat_p256_uint1 x228;
3230   uint32_t x229;
3231   fiat_p256_uint1 x230;
3232   uint32_t x231;
3233   fiat_p256_uint1 x232;
3234   uint32_t x233;
3235   fiat_p256_uint1 x234;
3236   uint32_t x235;
3237   fiat_p256_uint1 x236;
3238   uint32_t x237;
3239   fiat_p256_uint1 x238;
3240   uint32_t x239;
3241   fiat_p256_uint1 x240;
3242   uint32_t x241;
3243   fiat_p256_uint1 x242;
3244   uint32_t x243;
3245   uint32_t x244;
3246   uint32_t x245;
3247   uint32_t x246;
3248   uint32_t x247;
3249   uint32_t x248;
3250   uint32_t x249;
3251   uint32_t x250;
3252   uint32_t x251;
3253   fiat_p256_uint1 x252;
3254   uint32_t x253;
3255   fiat_p256_uint1 x254;
3256   uint32_t x255;
3257   fiat_p256_uint1 x256;
3258   uint32_t x257;
3259   fiat_p256_uint1 x258;
3260   uint32_t x259;
3261   fiat_p256_uint1 x260;
3262   uint32_t x261;
3263   fiat_p256_uint1 x262;
3264   uint32_t x263;
3265   fiat_p256_uint1 x264;
3266   uint32_t x265;
3267   fiat_p256_uint1 x266;
3268   uint32_t x267;
3269   fiat_p256_uint1 x268;
3270   uint32_t x269;
3271   fiat_p256_uint1 x270;
3272   uint32_t x271;
3273   fiat_p256_uint1 x272;
3274   uint32_t x273;
3275   uint32_t x274;
3276   uint32_t x275;
3277   uint32_t x276;
3278   uint32_t x277;
3279   uint32_t x278;
3280   uint32_t x279;
3281   uint32_t x280;
3282   uint32_t x281;
3283   uint32_t x282;
3284   uint32_t x283;
3285   uint32_t x284;
3286   uint32_t x285;
3287   uint32_t x286;
3288   uint32_t x287;
3289   fiat_p256_uint1 x288;
3290   uint32_t x289;
3291   fiat_p256_uint1 x290;
3292   uint32_t x291;
3293   fiat_p256_uint1 x292;
3294   uint32_t x293;
3295   fiat_p256_uint1 x294;
3296   uint32_t x295;
3297   fiat_p256_uint1 x296;
3298   uint32_t x297;
3299   fiat_p256_uint1 x298;
3300   uint32_t x299;
3301   fiat_p256_uint1 x300;
3302   uint32_t x301;
3303   fiat_p256_uint1 x302;
3304   uint32_t x303;
3305   fiat_p256_uint1 x304;
3306   uint32_t x305;
3307   fiat_p256_uint1 x306;
3308   uint32_t x307;
3309   fiat_p256_uint1 x308;
3310   uint32_t x309;
3311   fiat_p256_uint1 x310;
3312   uint32_t x311;
3313   fiat_p256_uint1 x312;
3314   uint32_t x313;
3315   uint32_t x314;
3316   uint32_t x315;
3317   uint32_t x316;
3318   uint32_t x317;
3319   uint32_t x318;
3320   uint32_t x319;
3321   uint32_t x320;
3322   uint32_t x321;
3323   fiat_p256_uint1 x322;
3324   uint32_t x323;
3325   fiat_p256_uint1 x324;
3326   uint32_t x325;
3327   fiat_p256_uint1 x326;
3328   uint32_t x327;
3329   fiat_p256_uint1 x328;
3330   uint32_t x329;
3331   fiat_p256_uint1 x330;
3332   uint32_t x331;
3333   fiat_p256_uint1 x332;
3334   uint32_t x333;
3335   fiat_p256_uint1 x334;
3336   uint32_t x335;
3337   fiat_p256_uint1 x336;
3338   uint32_t x337;
3339   fiat_p256_uint1 x338;
3340   uint32_t x339;
3341   fiat_p256_uint1 x340;
3342   uint32_t x341;
3343   fiat_p256_uint1 x342;
3344   uint32_t x343;
3345   uint32_t x344;
3346   uint32_t x345;
3347   uint32_t x346;
3348   uint32_t x347;
3349   uint32_t x348;
3350   uint32_t x349;
3351   uint32_t x350;
3352   uint32_t x351;
3353   uint32_t x352;
3354   uint32_t x353;
3355   uint32_t x354;
3356   uint32_t x355;
3357   uint32_t x356;
3358   uint32_t x357;
3359   fiat_p256_uint1 x358;
3360   uint32_t x359;
3361   fiat_p256_uint1 x360;
3362   uint32_t x361;
3363   fiat_p256_uint1 x362;
3364   uint32_t x363;
3365   fiat_p256_uint1 x364;
3366   uint32_t x365;
3367   fiat_p256_uint1 x366;
3368   uint32_t x367;
3369   fiat_p256_uint1 x368;
3370   uint32_t x369;
3371   fiat_p256_uint1 x370;
3372   uint32_t x371;
3373   fiat_p256_uint1 x372;
3374   uint32_t x373;
3375   fiat_p256_uint1 x374;
3376   uint32_t x375;
3377   fiat_p256_uint1 x376;
3378   uint32_t x377;
3379   fiat_p256_uint1 x378;
3380   uint32_t x379;
3381   fiat_p256_uint1 x380;
3382   uint32_t x381;
3383   fiat_p256_uint1 x382;
3384   uint32_t x383;
3385   uint32_t x384;
3386   uint32_t x385;
3387   uint32_t x386;
3388   uint32_t x387;
3389   uint32_t x388;
3390   uint32_t x389;
3391   uint32_t x390;
3392   uint32_t x391;
3393   fiat_p256_uint1 x392;
3394   uint32_t x393;
3395   fiat_p256_uint1 x394;
3396   uint32_t x395;
3397   fiat_p256_uint1 x396;
3398   uint32_t x397;
3399   fiat_p256_uint1 x398;
3400   uint32_t x399;
3401   fiat_p256_uint1 x400;
3402   uint32_t x401;
3403   fiat_p256_uint1 x402;
3404   uint32_t x403;
3405   fiat_p256_uint1 x404;
3406   uint32_t x405;
3407   fiat_p256_uint1 x406;
3408   uint32_t x407;
3409   fiat_p256_uint1 x408;
3410   uint32_t x409;
3411   fiat_p256_uint1 x410;
3412   uint32_t x411;
3413   fiat_p256_uint1 x412;
3414   uint32_t x413;
3415   uint32_t x414;
3416   uint32_t x415;
3417   uint32_t x416;
3418   uint32_t x417;
3419   uint32_t x418;
3420   uint32_t x419;
3421   uint32_t x420;
3422   uint32_t x421;
3423   uint32_t x422;
3424   uint32_t x423;
3425   uint32_t x424;
3426   uint32_t x425;
3427   uint32_t x426;
3428   uint32_t x427;
3429   fiat_p256_uint1 x428;
3430   uint32_t x429;
3431   fiat_p256_uint1 x430;
3432   uint32_t x431;
3433   fiat_p256_uint1 x432;
3434   uint32_t x433;
3435   fiat_p256_uint1 x434;
3436   uint32_t x435;
3437   fiat_p256_uint1 x436;
3438   uint32_t x437;
3439   fiat_p256_uint1 x438;
3440   uint32_t x439;
3441   fiat_p256_uint1 x440;
3442   uint32_t x441;
3443   fiat_p256_uint1 x442;
3444   uint32_t x443;
3445   fiat_p256_uint1 x444;
3446   uint32_t x445;
3447   fiat_p256_uint1 x446;
3448   uint32_t x447;
3449   fiat_p256_uint1 x448;
3450   uint32_t x449;
3451   fiat_p256_uint1 x450;
3452   uint32_t x451;
3453   fiat_p256_uint1 x452;
3454   uint32_t x453;
3455   uint32_t x454;
3456   uint32_t x455;
3457   uint32_t x456;
3458   uint32_t x457;
3459   uint32_t x458;
3460   uint32_t x459;
3461   uint32_t x460;
3462   uint32_t x461;
3463   fiat_p256_uint1 x462;
3464   uint32_t x463;
3465   fiat_p256_uint1 x464;
3466   uint32_t x465;
3467   fiat_p256_uint1 x466;
3468   uint32_t x467;
3469   fiat_p256_uint1 x468;
3470   uint32_t x469;
3471   fiat_p256_uint1 x470;
3472   uint32_t x471;
3473   fiat_p256_uint1 x472;
3474   uint32_t x473;
3475   fiat_p256_uint1 x474;
3476   uint32_t x475;
3477   fiat_p256_uint1 x476;
3478   uint32_t x477;
3479   fiat_p256_uint1 x478;
3480   uint32_t x479;
3481   fiat_p256_uint1 x480;
3482   uint32_t x481;
3483   fiat_p256_uint1 x482;
3484   uint32_t x483;
3485   uint32_t x484;
3486   uint32_t x485;
3487   uint32_t x486;
3488   uint32_t x487;
3489   uint32_t x488;
3490   uint32_t x489;
3491   uint32_t x490;
3492   uint32_t x491;
3493   uint32_t x492;
3494   uint32_t x493;
3495   uint32_t x494;
3496   uint32_t x495;
3497   uint32_t x496;
3498   uint32_t x497;
3499   fiat_p256_uint1 x498;
3500   uint32_t x499;
3501   fiat_p256_uint1 x500;
3502   uint32_t x501;
3503   fiat_p256_uint1 x502;
3504   uint32_t x503;
3505   fiat_p256_uint1 x504;
3506   uint32_t x505;
3507   fiat_p256_uint1 x506;
3508   uint32_t x507;
3509   fiat_p256_uint1 x508;
3510   uint32_t x509;
3511   fiat_p256_uint1 x510;
3512   uint32_t x511;
3513   fiat_p256_uint1 x512;
3514   uint32_t x513;
3515   fiat_p256_uint1 x514;
3516   uint32_t x515;
3517   fiat_p256_uint1 x516;
3518   uint32_t x517;
3519   fiat_p256_uint1 x518;
3520   uint32_t x519;
3521   fiat_p256_uint1 x520;
3522   uint32_t x521;
3523   fiat_p256_uint1 x522;
3524   uint32_t x523;
3525   uint32_t x524;
3526   uint32_t x525;
3527   uint32_t x526;
3528   uint32_t x527;
3529   uint32_t x528;
3530   uint32_t x529;
3531   uint32_t x530;
3532   uint32_t x531;
3533   fiat_p256_uint1 x532;
3534   uint32_t x533;
3535   fiat_p256_uint1 x534;
3536   uint32_t x535;
3537   fiat_p256_uint1 x536;
3538   uint32_t x537;
3539   fiat_p256_uint1 x538;
3540   uint32_t x539;
3541   fiat_p256_uint1 x540;
3542   uint32_t x541;
3543   fiat_p256_uint1 x542;
3544   uint32_t x543;
3545   fiat_p256_uint1 x544;
3546   uint32_t x545;
3547   fiat_p256_uint1 x546;
3548   uint32_t x547;
3549   fiat_p256_uint1 x548;
3550   uint32_t x549;
3551   fiat_p256_uint1 x550;
3552   uint32_t x551;
3553   fiat_p256_uint1 x552;
3554   uint32_t x553;
3555   fiat_p256_uint1 x554;
3556   uint32_t x555;
3557   fiat_p256_uint1 x556;
3558   uint32_t x557;
3559   fiat_p256_uint1 x558;
3560   uint32_t x559;
3561   fiat_p256_uint1 x560;
3562   uint32_t x561;
3563   fiat_p256_uint1 x562;
3564   uint32_t x563;
3565   fiat_p256_uint1 x564;
3566   uint32_t x565;
3567   fiat_p256_uint1 x566;
3568   uint32_t x567;
3569   fiat_p256_uint1 x568;
3570   uint32_t x569;
3571   fiat_p256_uint1 x570;
3572   uint32_t x571;
3573   uint32_t x572;
3574   uint32_t x573;
3575   uint32_t x574;
3576   uint32_t x575;
3577   uint32_t x576;
3578   uint32_t x577;
3579   uint32_t x578;
3580   x1 = (arg1[1]);
3581   x2 = (arg1[2]);
3582   x3 = (arg1[3]);
3583   x4 = (arg1[4]);
3584   x5 = (arg1[5]);
3585   x6 = (arg1[6]);
3586   x7 = (arg1[7]);
3587   x8 = (arg1[0]);
3588   fiat_p256_mulx_u32(&x9, &x10, x8, 0x4);
3589   fiat_p256_mulx_u32(&x11, &x12, x8, UINT32_C(0xfffffffd));
3590   fiat_p256_mulx_u32(&x13, &x14, x8, UINT32_C(0xffffffff));
3591   fiat_p256_mulx_u32(&x15, &x16, x8, UINT32_C(0xfffffffe));
3592   fiat_p256_mulx_u32(&x17, &x18, x8, UINT32_C(0xfffffffb));
3593   fiat_p256_mulx_u32(&x19, &x20, x8, UINT32_C(0xffffffff));
3594   fiat_p256_mulx_u32(&x21, &x22, x8, 0x3);
3595   fiat_p256_addcarryx_u32(&x23, &x24, 0x0, x20, x17);
3596   fiat_p256_addcarryx_u32(&x25, &x26, x24, x18, x15);
3597   fiat_p256_addcarryx_u32(&x27, &x28, x26, x16, x13);
3598   fiat_p256_addcarryx_u32(&x29, &x30, x28, x14, x11);
3599   fiat_p256_addcarryx_u32(&x31, &x32, x30, x12, x9);
3600   fiat_p256_mulx_u32(&x33, &x34, x21, UINT32_C(0xffffffff));
3601   fiat_p256_mulx_u32(&x35, &x36, x21, UINT32_C(0xffffffff));
3602   fiat_p256_mulx_u32(&x37, &x38, x21, UINT32_C(0xffffffff));
3603   fiat_p256_mulx_u32(&x39, &x40, x21, UINT32_C(0xffffffff));
3604   fiat_p256_addcarryx_u32(&x41, &x42, 0x0, x40, x37);
3605   fiat_p256_addcarryx_u32(&x43, &x44, x42, x38, x35);
3606   fiat_p256_addcarryx_u32(&x45, &x46, 0x0, x21, x39);
3607   fiat_p256_addcarryx_u32(&x47, &x48, x46, x22, x41);
3608   fiat_p256_addcarryx_u32(&x49, &x50, x48, x19, x43);
3609   fiat_p256_addcarryx_u32(&x51, &x52, x50, x23, (x44 + x36));
3610   fiat_p256_addcarryx_u32(&x53, &x54, x52, x25, 0x0);
3611   fiat_p256_addcarryx_u32(&x55, &x56, x54, x27, 0x0);
3612   fiat_p256_addcarryx_u32(&x57, &x58, x56, x29, x21);
3613   fiat_p256_addcarryx_u32(&x59, &x60, x58, x31, x33);
3614   fiat_p256_addcarryx_u32(&x61, &x62, x60, (x32 + x10), x34);
3615   fiat_p256_mulx_u32(&x63, &x64, x1, 0x4);
3616   fiat_p256_mulx_u32(&x65, &x66, x1, UINT32_C(0xfffffffd));
3617   fiat_p256_mulx_u32(&x67, &x68, x1, UINT32_C(0xffffffff));
3618   fiat_p256_mulx_u32(&x69, &x70, x1, UINT32_C(0xfffffffe));
3619   fiat_p256_mulx_u32(&x71, &x72, x1, UINT32_C(0xfffffffb));
3620   fiat_p256_mulx_u32(&x73, &x74, x1, UINT32_C(0xffffffff));
3621   fiat_p256_mulx_u32(&x75, &x76, x1, 0x3);
3622   fiat_p256_addcarryx_u32(&x77, &x78, 0x0, x74, x71);
3623   fiat_p256_addcarryx_u32(&x79, &x80, x78, x72, x69);
3624   fiat_p256_addcarryx_u32(&x81, &x82, x80, x70, x67);
3625   fiat_p256_addcarryx_u32(&x83, &x84, x82, x68, x65);
3626   fiat_p256_addcarryx_u32(&x85, &x86, x84, x66, x63);
3627   fiat_p256_addcarryx_u32(&x87, &x88, 0x0, x47, x75);
3628   fiat_p256_addcarryx_u32(&x89, &x90, x88, x49, x76);
3629   fiat_p256_addcarryx_u32(&x91, &x92, x90, x51, x73);
3630   fiat_p256_addcarryx_u32(&x93, &x94, x92, x53, x77);
3631   fiat_p256_addcarryx_u32(&x95, &x96, x94, x55, x79);
3632   fiat_p256_addcarryx_u32(&x97, &x98, x96, x57, x81);
3633   fiat_p256_addcarryx_u32(&x99, &x100, x98, x59, x83);
3634   fiat_p256_addcarryx_u32(&x101, &x102, x100, x61, x85);
3635   fiat_p256_mulx_u32(&x103, &x104, x87, UINT32_C(0xffffffff));
3636   fiat_p256_mulx_u32(&x105, &x106, x87, UINT32_C(0xffffffff));
3637   fiat_p256_mulx_u32(&x107, &x108, x87, UINT32_C(0xffffffff));
3638   fiat_p256_mulx_u32(&x109, &x110, x87, UINT32_C(0xffffffff));
3639   fiat_p256_addcarryx_u32(&x111, &x112, 0x0, x110, x107);
3640   fiat_p256_addcarryx_u32(&x113, &x114, x112, x108, x105);
3641   fiat_p256_addcarryx_u32(&x115, &x116, 0x0, x87, x109);
3642   fiat_p256_addcarryx_u32(&x117, &x118, x116, x89, x111);
3643   fiat_p256_addcarryx_u32(&x119, &x120, x118, x91, x113);
3644   fiat_p256_addcarryx_u32(&x121, &x122, x120, x93, (x114 + x106));
3645   fiat_p256_addcarryx_u32(&x123, &x124, x122, x95, 0x0);
3646   fiat_p256_addcarryx_u32(&x125, &x126, x124, x97, 0x0);
3647   fiat_p256_addcarryx_u32(&x127, &x128, x126, x99, x87);
3648   fiat_p256_addcarryx_u32(&x129, &x130, x128, x101, x103);
3649   fiat_p256_addcarryx_u32(&x131, &x132, x130, (((uint32_t)x102 + x62) + (x86 + x64)), x104);
3650   fiat_p256_mulx_u32(&x133, &x134, x2, 0x4);
3651   fiat_p256_mulx_u32(&x135, &x136, x2, UINT32_C(0xfffffffd));
3652   fiat_p256_mulx_u32(&x137, &x138, x2, UINT32_C(0xffffffff));
3653   fiat_p256_mulx_u32(&x139, &x140, x2, UINT32_C(0xfffffffe));
3654   fiat_p256_mulx_u32(&x141, &x142, x2, UINT32_C(0xfffffffb));
3655   fiat_p256_mulx_u32(&x143, &x144, x2, UINT32_C(0xffffffff));
3656   fiat_p256_mulx_u32(&x145, &x146, x2, 0x3);
3657   fiat_p256_addcarryx_u32(&x147, &x148, 0x0, x144, x141);
3658   fiat_p256_addcarryx_u32(&x149, &x150, x148, x142, x139);
3659   fiat_p256_addcarryx_u32(&x151, &x152, x150, x140, x137);
3660   fiat_p256_addcarryx_u32(&x153, &x154, x152, x138, x135);
3661   fiat_p256_addcarryx_u32(&x155, &x156, x154, x136, x133);
3662   fiat_p256_addcarryx_u32(&x157, &x158, 0x0, x117, x145);
3663   fiat_p256_addcarryx_u32(&x159, &x160, x158, x119, x146);
3664   fiat_p256_addcarryx_u32(&x161, &x162, x160, x121, x143);
3665   fiat_p256_addcarryx_u32(&x163, &x164, x162, x123, x147);
3666   fiat_p256_addcarryx_u32(&x165, &x166, x164, x125, x149);
3667   fiat_p256_addcarryx_u32(&x167, &x168, x166, x127, x151);
3668   fiat_p256_addcarryx_u32(&x169, &x170, x168, x129, x153);
3669   fiat_p256_addcarryx_u32(&x171, &x172, x170, x131, x155);
3670   fiat_p256_mulx_u32(&x173, &x174, x157, UINT32_C(0xffffffff));
3671   fiat_p256_mulx_u32(&x175, &x176, x157, UINT32_C(0xffffffff));
3672   fiat_p256_mulx_u32(&x177, &x178, x157, UINT32_C(0xffffffff));
3673   fiat_p256_mulx_u32(&x179, &x180, x157, UINT32_C(0xffffffff));
3674   fiat_p256_addcarryx_u32(&x181, &x182, 0x0, x180, x177);
3675   fiat_p256_addcarryx_u32(&x183, &x184, x182, x178, x175);
3676   fiat_p256_addcarryx_u32(&x185, &x186, 0x0, x157, x179);
3677   fiat_p256_addcarryx_u32(&x187, &x188, x186, x159, x181);
3678   fiat_p256_addcarryx_u32(&x189, &x190, x188, x161, x183);
3679   fiat_p256_addcarryx_u32(&x191, &x192, x190, x163, (x184 + x176));
3680   fiat_p256_addcarryx_u32(&x193, &x194, x192, x165, 0x0);
3681   fiat_p256_addcarryx_u32(&x195, &x196, x194, x167, 0x0);
3682   fiat_p256_addcarryx_u32(&x197, &x198, x196, x169, x157);
3683   fiat_p256_addcarryx_u32(&x199, &x200, x198, x171, x173);
3684   fiat_p256_addcarryx_u32(&x201, &x202, x200, (((uint32_t)x172 + x132) + (x156 + x134)), x174);
3685   fiat_p256_mulx_u32(&x203, &x204, x3, 0x4);
3686   fiat_p256_mulx_u32(&x205, &x206, x3, UINT32_C(0xfffffffd));
3687   fiat_p256_mulx_u32(&x207, &x208, x3, UINT32_C(0xffffffff));
3688   fiat_p256_mulx_u32(&x209, &x210, x3, UINT32_C(0xfffffffe));
3689   fiat_p256_mulx_u32(&x211, &x212, x3, UINT32_C(0xfffffffb));
3690   fiat_p256_mulx_u32(&x213, &x214, x3, UINT32_C(0xffffffff));
3691   fiat_p256_mulx_u32(&x215, &x216, x3, 0x3);
3692   fiat_p256_addcarryx_u32(&x217, &x218, 0x0, x214, x211);
3693   fiat_p256_addcarryx_u32(&x219, &x220, x218, x212, x209);
3694   fiat_p256_addcarryx_u32(&x221, &x222, x220, x210, x207);
3695   fiat_p256_addcarryx_u32(&x223, &x224, x222, x208, x205);
3696   fiat_p256_addcarryx_u32(&x225, &x226, x224, x206, x203);
3697   fiat_p256_addcarryx_u32(&x227, &x228, 0x0, x187, x215);
3698   fiat_p256_addcarryx_u32(&x229, &x230, x228, x189, x216);
3699   fiat_p256_addcarryx_u32(&x231, &x232, x230, x191, x213);
3700   fiat_p256_addcarryx_u32(&x233, &x234, x232, x193, x217);
3701   fiat_p256_addcarryx_u32(&x235, &x236, x234, x195, x219);
3702   fiat_p256_addcarryx_u32(&x237, &x238, x236, x197, x221);
3703   fiat_p256_addcarryx_u32(&x239, &x240, x238, x199, x223);
3704   fiat_p256_addcarryx_u32(&x241, &x242, x240, x201, x225);
3705   fiat_p256_mulx_u32(&x243, &x244, x227, UINT32_C(0xffffffff));
3706   fiat_p256_mulx_u32(&x245, &x246, x227, UINT32_C(0xffffffff));
3707   fiat_p256_mulx_u32(&x247, &x248, x227, UINT32_C(0xffffffff));
3708   fiat_p256_mulx_u32(&x249, &x250, x227, UINT32_C(0xffffffff));
3709   fiat_p256_addcarryx_u32(&x251, &x252, 0x0, x250, x247);
3710   fiat_p256_addcarryx_u32(&x253, &x254, x252, x248, x245);
3711   fiat_p256_addcarryx_u32(&x255, &x256, 0x0, x227, x249);
3712   fiat_p256_addcarryx_u32(&x257, &x258, x256, x229, x251);
3713   fiat_p256_addcarryx_u32(&x259, &x260, x258, x231, x253);
3714   fiat_p256_addcarryx_u32(&x261, &x262, x260, x233, (x254 + x246));
3715   fiat_p256_addcarryx_u32(&x263, &x264, x262, x235, 0x0);
3716   fiat_p256_addcarryx_u32(&x265, &x266, x264, x237, 0x0);
3717   fiat_p256_addcarryx_u32(&x267, &x268, x266, x239, x227);
3718   fiat_p256_addcarryx_u32(&x269, &x270, x268, x241, x243);
3719   fiat_p256_addcarryx_u32(&x271, &x272, x270, (((uint32_t)x242 + x202) + (x226 + x204)), x244);
3720   fiat_p256_mulx_u32(&x273, &x274, x4, 0x4);
3721   fiat_p256_mulx_u32(&x275, &x276, x4, UINT32_C(0xfffffffd));
3722   fiat_p256_mulx_u32(&x277, &x278, x4, UINT32_C(0xffffffff));
3723   fiat_p256_mulx_u32(&x279, &x280, x4, UINT32_C(0xfffffffe));
3724   fiat_p256_mulx_u32(&x281, &x282, x4, UINT32_C(0xfffffffb));
3725   fiat_p256_mulx_u32(&x283, &x284, x4, UINT32_C(0xffffffff));
3726   fiat_p256_mulx_u32(&x285, &x286, x4, 0x3);
3727   fiat_p256_addcarryx_u32(&x287, &x288, 0x0, x284, x281);
3728   fiat_p256_addcarryx_u32(&x289, &x290, x288, x282, x279);
3729   fiat_p256_addcarryx_u32(&x291, &x292, x290, x280, x277);
3730   fiat_p256_addcarryx_u32(&x293, &x294, x292, x278, x275);
3731   fiat_p256_addcarryx_u32(&x295, &x296, x294, x276, x273);
3732   fiat_p256_addcarryx_u32(&x297, &x298, 0x0, x257, x285);
3733   fiat_p256_addcarryx_u32(&x299, &x300, x298, x259, x286);
3734   fiat_p256_addcarryx_u32(&x301, &x302, x300, x261, x283);
3735   fiat_p256_addcarryx_u32(&x303, &x304, x302, x263, x287);
3736   fiat_p256_addcarryx_u32(&x305, &x306, x304, x265, x289);
3737   fiat_p256_addcarryx_u32(&x307, &x308, x306, x267, x291);
3738   fiat_p256_addcarryx_u32(&x309, &x310, x308, x269, x293);
3739   fiat_p256_addcarryx_u32(&x311, &x312, x310, x271, x295);
3740   fiat_p256_mulx_u32(&x313, &x314, x297, UINT32_C(0xffffffff));
3741   fiat_p256_mulx_u32(&x315, &x316, x297, UINT32_C(0xffffffff));
3742   fiat_p256_mulx_u32(&x317, &x318, x297, UINT32_C(0xffffffff));
3743   fiat_p256_mulx_u32(&x319, &x320, x297, UINT32_C(0xffffffff));
3744   fiat_p256_addcarryx_u32(&x321, &x322, 0x0, x320, x317);
3745   fiat_p256_addcarryx_u32(&x323, &x324, x322, x318, x315);
3746   fiat_p256_addcarryx_u32(&x325, &x326, 0x0, x297, x319);
3747   fiat_p256_addcarryx_u32(&x327, &x328, x326, x299, x321);
3748   fiat_p256_addcarryx_u32(&x329, &x330, x328, x301, x323);
3749   fiat_p256_addcarryx_u32(&x331, &x332, x330, x303, (x324 + x316));
3750   fiat_p256_addcarryx_u32(&x333, &x334, x332, x305, 0x0);
3751   fiat_p256_addcarryx_u32(&x335, &x336, x334, x307, 0x0);
3752   fiat_p256_addcarryx_u32(&x337, &x338, x336, x309, x297);
3753   fiat_p256_addcarryx_u32(&x339, &x340, x338, x311, x313);
3754   fiat_p256_addcarryx_u32(&x341, &x342, x340, (((uint32_t)x312 + x272) + (x296 + x274)), x314);
3755   fiat_p256_mulx_u32(&x343, &x344, x5, 0x4);
3756   fiat_p256_mulx_u32(&x345, &x346, x5, UINT32_C(0xfffffffd));
3757   fiat_p256_mulx_u32(&x347, &x348, x5, UINT32_C(0xffffffff));
3758   fiat_p256_mulx_u32(&x349, &x350, x5, UINT32_C(0xfffffffe));
3759   fiat_p256_mulx_u32(&x351, &x352, x5, UINT32_C(0xfffffffb));
3760   fiat_p256_mulx_u32(&x353, &x354, x5, UINT32_C(0xffffffff));
3761   fiat_p256_mulx_u32(&x355, &x356, x5, 0x3);
3762   fiat_p256_addcarryx_u32(&x357, &x358, 0x0, x354, x351);
3763   fiat_p256_addcarryx_u32(&x359, &x360, x358, x352, x349);
3764   fiat_p256_addcarryx_u32(&x361, &x362, x360, x350, x347);
3765   fiat_p256_addcarryx_u32(&x363, &x364, x362, x348, x345);
3766   fiat_p256_addcarryx_u32(&x365, &x366, x364, x346, x343);
3767   fiat_p256_addcarryx_u32(&x367, &x368, 0x0, x327, x355);
3768   fiat_p256_addcarryx_u32(&x369, &x370, x368, x329, x356);
3769   fiat_p256_addcarryx_u32(&x371, &x372, x370, x331, x353);
3770   fiat_p256_addcarryx_u32(&x373, &x374, x372, x333, x357);
3771   fiat_p256_addcarryx_u32(&x375, &x376, x374, x335, x359);
3772   fiat_p256_addcarryx_u32(&x377, &x378, x376, x337, x361);
3773   fiat_p256_addcarryx_u32(&x379, &x380, x378, x339, x363);
3774   fiat_p256_addcarryx_u32(&x381, &x382, x380, x341, x365);
3775   fiat_p256_mulx_u32(&x383, &x384, x367, UINT32_C(0xffffffff));
3776   fiat_p256_mulx_u32(&x385, &x386, x367, UINT32_C(0xffffffff));
3777   fiat_p256_mulx_u32(&x387, &x388, x367, UINT32_C(0xffffffff));
3778   fiat_p256_mulx_u32(&x389, &x390, x367, UINT32_C(0xffffffff));
3779   fiat_p256_addcarryx_u32(&x391, &x392, 0x0, x390, x387);
3780   fiat_p256_addcarryx_u32(&x393, &x394, x392, x388, x385);
3781   fiat_p256_addcarryx_u32(&x395, &x396, 0x0, x367, x389);
3782   fiat_p256_addcarryx_u32(&x397, &x398, x396, x369, x391);
3783   fiat_p256_addcarryx_u32(&x399, &x400, x398, x371, x393);
3784   fiat_p256_addcarryx_u32(&x401, &x402, x400, x373, (x394 + x386));
3785   fiat_p256_addcarryx_u32(&x403, &x404, x402, x375, 0x0);
3786   fiat_p256_addcarryx_u32(&x405, &x406, x404, x377, 0x0);
3787   fiat_p256_addcarryx_u32(&x407, &x408, x406, x379, x367);
3788   fiat_p256_addcarryx_u32(&x409, &x410, x408, x381, x383);
3789   fiat_p256_addcarryx_u32(&x411, &x412, x410, (((uint32_t)x382 + x342) + (x366 + x344)), x384);
3790   fiat_p256_mulx_u32(&x413, &x414, x6, 0x4);
3791   fiat_p256_mulx_u32(&x415, &x416, x6, UINT32_C(0xfffffffd));
3792   fiat_p256_mulx_u32(&x417, &x418, x6, UINT32_C(0xffffffff));
3793   fiat_p256_mulx_u32(&x419, &x420, x6, UINT32_C(0xfffffffe));
3794   fiat_p256_mulx_u32(&x421, &x422, x6, UINT32_C(0xfffffffb));
3795   fiat_p256_mulx_u32(&x423, &x424, x6, UINT32_C(0xffffffff));
3796   fiat_p256_mulx_u32(&x425, &x426, x6, 0x3);
3797   fiat_p256_addcarryx_u32(&x427, &x428, 0x0, x424, x421);
3798   fiat_p256_addcarryx_u32(&x429, &x430, x428, x422, x419);
3799   fiat_p256_addcarryx_u32(&x431, &x432, x430, x420, x417);
3800   fiat_p256_addcarryx_u32(&x433, &x434, x432, x418, x415);
3801   fiat_p256_addcarryx_u32(&x435, &x436, x434, x416, x413);
3802   fiat_p256_addcarryx_u32(&x437, &x438, 0x0, x397, x425);
3803   fiat_p256_addcarryx_u32(&x439, &x440, x438, x399, x426);
3804   fiat_p256_addcarryx_u32(&x441, &x442, x440, x401, x423);
3805   fiat_p256_addcarryx_u32(&x443, &x444, x442, x403, x427);
3806   fiat_p256_addcarryx_u32(&x445, &x446, x444, x405, x429);
3807   fiat_p256_addcarryx_u32(&x447, &x448, x446, x407, x431);
3808   fiat_p256_addcarryx_u32(&x449, &x450, x448, x409, x433);
3809   fiat_p256_addcarryx_u32(&x451, &x452, x450, x411, x435);
3810   fiat_p256_mulx_u32(&x453, &x454, x437, UINT32_C(0xffffffff));
3811   fiat_p256_mulx_u32(&x455, &x456, x437, UINT32_C(0xffffffff));
3812   fiat_p256_mulx_u32(&x457, &x458, x437, UINT32_C(0xffffffff));
3813   fiat_p256_mulx_u32(&x459, &x460, x437, UINT32_C(0xffffffff));
3814   fiat_p256_addcarryx_u32(&x461, &x462, 0x0, x460, x457);
3815   fiat_p256_addcarryx_u32(&x463, &x464, x462, x458, x455);
3816   fiat_p256_addcarryx_u32(&x465, &x466, 0x0, x437, x459);
3817   fiat_p256_addcarryx_u32(&x467, &x468, x466, x439, x461);
3818   fiat_p256_addcarryx_u32(&x469, &x470, x468, x441, x463);
3819   fiat_p256_addcarryx_u32(&x471, &x472, x470, x443, (x464 + x456));
3820   fiat_p256_addcarryx_u32(&x473, &x474, x472, x445, 0x0);
3821   fiat_p256_addcarryx_u32(&x475, &x476, x474, x447, 0x0);
3822   fiat_p256_addcarryx_u32(&x477, &x478, x476, x449, x437);
3823   fiat_p256_addcarryx_u32(&x479, &x480, x478, x451, x453);
3824   fiat_p256_addcarryx_u32(&x481, &x482, x480, (((uint32_t)x452 + x412) + (x436 + x414)), x454);
3825   fiat_p256_mulx_u32(&x483, &x484, x7, 0x4);
3826   fiat_p256_mulx_u32(&x485, &x486, x7, UINT32_C(0xfffffffd));
3827   fiat_p256_mulx_u32(&x487, &x488, x7, UINT32_C(0xffffffff));
3828   fiat_p256_mulx_u32(&x489, &x490, x7, UINT32_C(0xfffffffe));
3829   fiat_p256_mulx_u32(&x491, &x492, x7, UINT32_C(0xfffffffb));
3830   fiat_p256_mulx_u32(&x493, &x494, x7, UINT32_C(0xffffffff));
3831   fiat_p256_mulx_u32(&x495, &x496, x7, 0x3);
3832   fiat_p256_addcarryx_u32(&x497, &x498, 0x0, x494, x491);
3833   fiat_p256_addcarryx_u32(&x499, &x500, x498, x492, x489);
3834   fiat_p256_addcarryx_u32(&x501, &x502, x500, x490, x487);
3835   fiat_p256_addcarryx_u32(&x503, &x504, x502, x488, x485);
3836   fiat_p256_addcarryx_u32(&x505, &x506, x504, x486, x483);
3837   fiat_p256_addcarryx_u32(&x507, &x508, 0x0, x467, x495);
3838   fiat_p256_addcarryx_u32(&x509, &x510, x508, x469, x496);
3839   fiat_p256_addcarryx_u32(&x511, &x512, x510, x471, x493);
3840   fiat_p256_addcarryx_u32(&x513, &x514, x512, x473, x497);
3841   fiat_p256_addcarryx_u32(&x515, &x516, x514, x475, x499);
3842   fiat_p256_addcarryx_u32(&x517, &x518, x516, x477, x501);
3843   fiat_p256_addcarryx_u32(&x519, &x520, x518, x479, x503);
3844   fiat_p256_addcarryx_u32(&x521, &x522, x520, x481, x505);
3845   fiat_p256_mulx_u32(&x523, &x524, x507, UINT32_C(0xffffffff));
3846   fiat_p256_mulx_u32(&x525, &x526, x507, UINT32_C(0xffffffff));
3847   fiat_p256_mulx_u32(&x527, &x528, x507, UINT32_C(0xffffffff));
3848   fiat_p256_mulx_u32(&x529, &x530, x507, UINT32_C(0xffffffff));
3849   fiat_p256_addcarryx_u32(&x531, &x532, 0x0, x530, x527);
3850   fiat_p256_addcarryx_u32(&x533, &x534, x532, x528, x525);
3851   fiat_p256_addcarryx_u32(&x535, &x536, 0x0, x507, x529);
3852   fiat_p256_addcarryx_u32(&x537, &x538, x536, x509, x531);
3853   fiat_p256_addcarryx_u32(&x539, &x540, x538, x511, x533);
3854   fiat_p256_addcarryx_u32(&x541, &x542, x540, x513, (x534 + x526));
3855   fiat_p256_addcarryx_u32(&x543, &x544, x542, x515, 0x0);
3856   fiat_p256_addcarryx_u32(&x545, &x546, x544, x517, 0x0);
3857   fiat_p256_addcarryx_u32(&x547, &x548, x546, x519, x507);
3858   fiat_p256_addcarryx_u32(&x549, &x550, x548, x521, x523);
3859   fiat_p256_addcarryx_u32(&x551, &x552, x550, (((uint32_t)x522 + x482) + (x506 + x484)), x524);
3860   fiat_p256_subborrowx_u32(&x553, &x554, 0x0, x537, UINT32_C(0xffffffff));
3861   fiat_p256_subborrowx_u32(&x555, &x556, x554, x539, UINT32_C(0xffffffff));
3862   fiat_p256_subborrowx_u32(&x557, &x558, x556, x541, UINT32_C(0xffffffff));
3863   fiat_p256_subborrowx_u32(&x559, &x560, x558, x543, 0x0);
3864   fiat_p256_subborrowx_u32(&x561, &x562, x560, x545, 0x0);
3865   fiat_p256_subborrowx_u32(&x563, &x564, x562, x547, 0x0);
3866   fiat_p256_subborrowx_u32(&x565, &x566, x564, x549, 0x1);
3867   fiat_p256_subborrowx_u32(&x567, &x568, x566, x551, UINT32_C(0xffffffff));
3868   fiat_p256_subborrowx_u32(&x569, &x570, x568, x552, 0x0);
3869   fiat_p256_cmovznz_u32(&x571, x570, x553, x537);
3870   fiat_p256_cmovznz_u32(&x572, x570, x555, x539);
3871   fiat_p256_cmovznz_u32(&x573, x570, x557, x541);
3872   fiat_p256_cmovznz_u32(&x574, x570, x559, x543);
3873   fiat_p256_cmovznz_u32(&x575, x570, x561, x545);
3874   fiat_p256_cmovznz_u32(&x576, x570, x563, x547);
3875   fiat_p256_cmovznz_u32(&x577, x570, x565, x549);
3876   fiat_p256_cmovznz_u32(&x578, x570, x567, x551);
3877   out1[0] = x571;
3878   out1[1] = x572;
3879   out1[2] = x573;
3880   out1[3] = x574;
3881   out1[4] = x575;
3882   out1[5] = x576;
3883   out1[6] = x577;
3884   out1[7] = x578;
3885 }
3886 
3887 /*
3888  * The function fiat_p256_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
3889  *
3890  * Preconditions:
3891  *   0 ≤ eval arg1 < m
3892  * Postconditions:
3893  *   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
3894  *
3895  * Input Bounds:
3896  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
3897  * Output Bounds:
3898  *   out1: [0x0 ~> 0xffffffff]
3899  */
fiat_p256_nonzero(uint32_t * out1,const uint32_t arg1[8])3900 static FIAT_P256_FIAT_INLINE void fiat_p256_nonzero(uint32_t* out1, const uint32_t arg1[8]) {
3901   uint32_t x1;
3902   x1 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | ((arg1[3]) | ((arg1[4]) | ((arg1[5]) | ((arg1[6]) | (arg1[7]))))))));
3903   *out1 = x1;
3904 }
3905 
3906 /*
3907  * The function fiat_p256_selectznz is a multi-limb conditional select.
3908  *
3909  * Postconditions:
3910  *   eval out1 = (if arg1 = 0 then eval arg2 else eval arg3)
3911  *
3912  * Input Bounds:
3913  *   arg1: [0x0 ~> 0x1]
3914  *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
3915  *   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
3916  * Output Bounds:
3917  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
3918  */
fiat_p256_selectznz(uint32_t out1[8],fiat_p256_uint1 arg1,const uint32_t arg2[8],const uint32_t arg3[8])3919 static FIAT_P256_FIAT_INLINE void fiat_p256_selectznz(uint32_t out1[8], fiat_p256_uint1 arg1, const uint32_t arg2[8], const uint32_t arg3[8]) {
3920   uint32_t x1;
3921   uint32_t x2;
3922   uint32_t x3;
3923   uint32_t x4;
3924   uint32_t x5;
3925   uint32_t x6;
3926   uint32_t x7;
3927   uint32_t x8;
3928   fiat_p256_cmovznz_u32(&x1, arg1, (arg2[0]), (arg3[0]));
3929   fiat_p256_cmovznz_u32(&x2, arg1, (arg2[1]), (arg3[1]));
3930   fiat_p256_cmovznz_u32(&x3, arg1, (arg2[2]), (arg3[2]));
3931   fiat_p256_cmovznz_u32(&x4, arg1, (arg2[3]), (arg3[3]));
3932   fiat_p256_cmovznz_u32(&x5, arg1, (arg2[4]), (arg3[4]));
3933   fiat_p256_cmovznz_u32(&x6, arg1, (arg2[5]), (arg3[5]));
3934   fiat_p256_cmovznz_u32(&x7, arg1, (arg2[6]), (arg3[6]));
3935   fiat_p256_cmovznz_u32(&x8, arg1, (arg2[7]), (arg3[7]));
3936   out1[0] = x1;
3937   out1[1] = x2;
3938   out1[2] = x3;
3939   out1[3] = x4;
3940   out1[4] = x5;
3941   out1[5] = x6;
3942   out1[6] = x7;
3943   out1[7] = x8;
3944 }
3945 
3946 /*
3947  * The function fiat_p256_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
3948  *
3949  * Preconditions:
3950  *   0 ≤ eval arg1 < m
3951  * Postconditions:
3952  *   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
3953  *
3954  * Input Bounds:
3955  *   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
3956  * Output Bounds:
3957  *   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]]
3958  */
fiat_p256_to_bytes(uint8_t out1[32],const uint32_t arg1[8])3959 static FIAT_P256_FIAT_INLINE void fiat_p256_to_bytes(uint8_t out1[32], const uint32_t arg1[8]) {
3960   uint32_t x1;
3961   uint32_t x2;
3962   uint32_t x3;
3963   uint32_t x4;
3964   uint32_t x5;
3965   uint32_t x6;
3966   uint32_t x7;
3967   uint32_t x8;
3968   uint8_t x9;
3969   uint32_t x10;
3970   uint8_t x11;
3971   uint32_t x12;
3972   uint8_t x13;
3973   uint8_t x14;
3974   uint8_t x15;
3975   uint32_t x16;
3976   uint8_t x17;
3977   uint32_t x18;
3978   uint8_t x19;
3979   uint8_t x20;
3980   uint8_t x21;
3981   uint32_t x22;
3982   uint8_t x23;
3983   uint32_t x24;
3984   uint8_t x25;
3985   uint8_t x26;
3986   uint8_t x27;
3987   uint32_t x28;
3988   uint8_t x29;
3989   uint32_t x30;
3990   uint8_t x31;
3991   uint8_t x32;
3992   uint8_t x33;
3993   uint32_t x34;
3994   uint8_t x35;
3995   uint32_t x36;
3996   uint8_t x37;
3997   uint8_t x38;
3998   uint8_t x39;
3999   uint32_t x40;
4000   uint8_t x41;
4001   uint32_t x42;
4002   uint8_t x43;
4003   uint8_t x44;
4004   uint8_t x45;
4005   uint32_t x46;
4006   uint8_t x47;
4007   uint32_t x48;
4008   uint8_t x49;
4009   uint8_t x50;
4010   uint8_t x51;
4011   uint32_t x52;
4012   uint8_t x53;
4013   uint32_t x54;
4014   uint8_t x55;
4015   uint8_t x56;
4016   x1 = (arg1[7]);
4017   x2 = (arg1[6]);
4018   x3 = (arg1[5]);
4019   x4 = (arg1[4]);
4020   x5 = (arg1[3]);
4021   x6 = (arg1[2]);
4022   x7 = (arg1[1]);
4023   x8 = (arg1[0]);
4024   x9 = (uint8_t)(x8 & UINT8_C(0xff));
4025   x10 = (x8 >> 8);
4026   x11 = (uint8_t)(x10 & UINT8_C(0xff));
4027   x12 = (x10 >> 8);
4028   x13 = (uint8_t)(x12 & UINT8_C(0xff));
4029   x14 = (uint8_t)(x12 >> 8);
4030   x15 = (uint8_t)(x7 & UINT8_C(0xff));
4031   x16 = (x7 >> 8);
4032   x17 = (uint8_t)(x16 & UINT8_C(0xff));
4033   x18 = (x16 >> 8);
4034   x19 = (uint8_t)(x18 & UINT8_C(0xff));
4035   x20 = (uint8_t)(x18 >> 8);
4036   x21 = (uint8_t)(x6 & UINT8_C(0xff));
4037   x22 = (x6 >> 8);
4038   x23 = (uint8_t)(x22 & UINT8_C(0xff));
4039   x24 = (x22 >> 8);
4040   x25 = (uint8_t)(x24 & UINT8_C(0xff));
4041   x26 = (uint8_t)(x24 >> 8);
4042   x27 = (uint8_t)(x5 & UINT8_C(0xff));
4043   x28 = (x5 >> 8);
4044   x29 = (uint8_t)(x28 & UINT8_C(0xff));
4045   x30 = (x28 >> 8);
4046   x31 = (uint8_t)(x30 & UINT8_C(0xff));
4047   x32 = (uint8_t)(x30 >> 8);
4048   x33 = (uint8_t)(x4 & UINT8_C(0xff));
4049   x34 = (x4 >> 8);
4050   x35 = (uint8_t)(x34 & UINT8_C(0xff));
4051   x36 = (x34 >> 8);
4052   x37 = (uint8_t)(x36 & UINT8_C(0xff));
4053   x38 = (uint8_t)(x36 >> 8);
4054   x39 = (uint8_t)(x3 & UINT8_C(0xff));
4055   x40 = (x3 >> 8);
4056   x41 = (uint8_t)(x40 & UINT8_C(0xff));
4057   x42 = (x40 >> 8);
4058   x43 = (uint8_t)(x42 & UINT8_C(0xff));
4059   x44 = (uint8_t)(x42 >> 8);
4060   x45 = (uint8_t)(x2 & UINT8_C(0xff));
4061   x46 = (x2 >> 8);
4062   x47 = (uint8_t)(x46 & UINT8_C(0xff));
4063   x48 = (x46 >> 8);
4064   x49 = (uint8_t)(x48 & UINT8_C(0xff));
4065   x50 = (uint8_t)(x48 >> 8);
4066   x51 = (uint8_t)(x1 & UINT8_C(0xff));
4067   x52 = (x1 >> 8);
4068   x53 = (uint8_t)(x52 & UINT8_C(0xff));
4069   x54 = (x52 >> 8);
4070   x55 = (uint8_t)(x54 & UINT8_C(0xff));
4071   x56 = (uint8_t)(x54 >> 8);
4072   out1[0] = x9;
4073   out1[1] = x11;
4074   out1[2] = x13;
4075   out1[3] = x14;
4076   out1[4] = x15;
4077   out1[5] = x17;
4078   out1[6] = x19;
4079   out1[7] = x20;
4080   out1[8] = x21;
4081   out1[9] = x23;
4082   out1[10] = x25;
4083   out1[11] = x26;
4084   out1[12] = x27;
4085   out1[13] = x29;
4086   out1[14] = x31;
4087   out1[15] = x32;
4088   out1[16] = x33;
4089   out1[17] = x35;
4090   out1[18] = x37;
4091   out1[19] = x38;
4092   out1[20] = x39;
4093   out1[21] = x41;
4094   out1[22] = x43;
4095   out1[23] = x44;
4096   out1[24] = x45;
4097   out1[25] = x47;
4098   out1[26] = x49;
4099   out1[27] = x50;
4100   out1[28] = x51;
4101   out1[29] = x53;
4102   out1[30] = x55;
4103   out1[31] = x56;
4104 }
4105 
4106 /*
4107  * The function fiat_p256_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
4108  *
4109  * Preconditions:
4110  *   0 ≤ bytes_eval arg1 < m
4111  * Postconditions:
4112  *   eval out1 mod m = bytes_eval arg1 mod m
4113  *   0 ≤ eval out1 < m
4114  *
4115  * Input Bounds:
4116  *   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]]
4117  * Output Bounds:
4118  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4119  */
fiat_p256_from_bytes(uint32_t out1[8],const uint8_t arg1[32])4120 static FIAT_P256_FIAT_INLINE void fiat_p256_from_bytes(uint32_t out1[8], const uint8_t arg1[32]) {
4121   uint32_t x1;
4122   uint32_t x2;
4123   uint32_t x3;
4124   uint8_t x4;
4125   uint32_t x5;
4126   uint32_t x6;
4127   uint32_t x7;
4128   uint8_t x8;
4129   uint32_t x9;
4130   uint32_t x10;
4131   uint32_t x11;
4132   uint8_t x12;
4133   uint32_t x13;
4134   uint32_t x14;
4135   uint32_t x15;
4136   uint8_t x16;
4137   uint32_t x17;
4138   uint32_t x18;
4139   uint32_t x19;
4140   uint8_t x20;
4141   uint32_t x21;
4142   uint32_t x22;
4143   uint32_t x23;
4144   uint8_t x24;
4145   uint32_t x25;
4146   uint32_t x26;
4147   uint32_t x27;
4148   uint8_t x28;
4149   uint32_t x29;
4150   uint32_t x30;
4151   uint32_t x31;
4152   uint8_t x32;
4153   uint32_t x33;
4154   uint32_t x34;
4155   uint32_t x35;
4156   uint32_t x36;
4157   uint32_t x37;
4158   uint32_t x38;
4159   uint32_t x39;
4160   uint32_t x40;
4161   uint32_t x41;
4162   uint32_t x42;
4163   uint32_t x43;
4164   uint32_t x44;
4165   uint32_t x45;
4166   uint32_t x46;
4167   uint32_t x47;
4168   uint32_t x48;
4169   uint32_t x49;
4170   uint32_t x50;
4171   uint32_t x51;
4172   uint32_t x52;
4173   uint32_t x53;
4174   uint32_t x54;
4175   uint32_t x55;
4176   uint32_t x56;
4177   x1 = ((uint32_t)(arg1[31]) << 24);
4178   x2 = ((uint32_t)(arg1[30]) << 16);
4179   x3 = ((uint32_t)(arg1[29]) << 8);
4180   x4 = (arg1[28]);
4181   x5 = ((uint32_t)(arg1[27]) << 24);
4182   x6 = ((uint32_t)(arg1[26]) << 16);
4183   x7 = ((uint32_t)(arg1[25]) << 8);
4184   x8 = (arg1[24]);
4185   x9 = ((uint32_t)(arg1[23]) << 24);
4186   x10 = ((uint32_t)(arg1[22]) << 16);
4187   x11 = ((uint32_t)(arg1[21]) << 8);
4188   x12 = (arg1[20]);
4189   x13 = ((uint32_t)(arg1[19]) << 24);
4190   x14 = ((uint32_t)(arg1[18]) << 16);
4191   x15 = ((uint32_t)(arg1[17]) << 8);
4192   x16 = (arg1[16]);
4193   x17 = ((uint32_t)(arg1[15]) << 24);
4194   x18 = ((uint32_t)(arg1[14]) << 16);
4195   x19 = ((uint32_t)(arg1[13]) << 8);
4196   x20 = (arg1[12]);
4197   x21 = ((uint32_t)(arg1[11]) << 24);
4198   x22 = ((uint32_t)(arg1[10]) << 16);
4199   x23 = ((uint32_t)(arg1[9]) << 8);
4200   x24 = (arg1[8]);
4201   x25 = ((uint32_t)(arg1[7]) << 24);
4202   x26 = ((uint32_t)(arg1[6]) << 16);
4203   x27 = ((uint32_t)(arg1[5]) << 8);
4204   x28 = (arg1[4]);
4205   x29 = ((uint32_t)(arg1[3]) << 24);
4206   x30 = ((uint32_t)(arg1[2]) << 16);
4207   x31 = ((uint32_t)(arg1[1]) << 8);
4208   x32 = (arg1[0]);
4209   x33 = (x31 + (uint32_t)x32);
4210   x34 = (x30 + x33);
4211   x35 = (x29 + x34);
4212   x36 = (x27 + (uint32_t)x28);
4213   x37 = (x26 + x36);
4214   x38 = (x25 + x37);
4215   x39 = (x23 + (uint32_t)x24);
4216   x40 = (x22 + x39);
4217   x41 = (x21 + x40);
4218   x42 = (x19 + (uint32_t)x20);
4219   x43 = (x18 + x42);
4220   x44 = (x17 + x43);
4221   x45 = (x15 + (uint32_t)x16);
4222   x46 = (x14 + x45);
4223   x47 = (x13 + x46);
4224   x48 = (x11 + (uint32_t)x12);
4225   x49 = (x10 + x48);
4226   x50 = (x9 + x49);
4227   x51 = (x7 + (uint32_t)x8);
4228   x52 = (x6 + x51);
4229   x53 = (x5 + x52);
4230   x54 = (x3 + (uint32_t)x4);
4231   x55 = (x2 + x54);
4232   x56 = (x1 + x55);
4233   out1[0] = x35;
4234   out1[1] = x38;
4235   out1[2] = x41;
4236   out1[3] = x44;
4237   out1[4] = x47;
4238   out1[5] = x50;
4239   out1[6] = x53;
4240   out1[7] = x56;
4241 }
4242 
4243 /*
4244  * The function fiat_p256_set_one returns the field element one in the Montgomery domain.
4245  *
4246  * Postconditions:
4247  *   eval (from_montgomery out1) mod m = 1 mod m
4248  *   0 ≤ eval out1 < m
4249  *
4250  */
fiat_p256_set_one(fiat_p256_montgomery_domain_field_element out1)4251 static FIAT_P256_FIAT_INLINE void fiat_p256_set_one(fiat_p256_montgomery_domain_field_element out1) {
4252   out1[0] = 0x1;
4253   out1[1] = 0x0;
4254   out1[2] = 0x0;
4255   out1[3] = UINT32_C(0xffffffff);
4256   out1[4] = UINT32_C(0xffffffff);
4257   out1[5] = UINT32_C(0xffffffff);
4258   out1[6] = UINT32_C(0xfffffffe);
4259   out1[7] = 0x0;
4260 }
4261 
4262 /*
4263  * The function fiat_p256_msat returns the saturated representation of the prime modulus.
4264  *
4265  * Postconditions:
4266  *   twos_complement_eval out1 = m
4267  *   0 ≤ eval out1 < m
4268  *
4269  * Output Bounds:
4270  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4271  */
fiat_p256_msat(uint32_t out1[9])4272 static FIAT_P256_FIAT_INLINE void fiat_p256_msat(uint32_t out1[9]) {
4273   out1[0] = UINT32_C(0xffffffff);
4274   out1[1] = UINT32_C(0xffffffff);
4275   out1[2] = UINT32_C(0xffffffff);
4276   out1[3] = 0x0;
4277   out1[4] = 0x0;
4278   out1[5] = 0x0;
4279   out1[6] = 0x1;
4280   out1[7] = UINT32_C(0xffffffff);
4281   out1[8] = 0x0;
4282 }
4283 
4284 /*
4285  * The function fiat_p256_divstep computes a divstep.
4286  *
4287  * Preconditions:
4288  *   0 ≤ eval arg4 < m
4289  *   0 ≤ eval arg5 < m
4290  * Postconditions:
4291  *   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
4292  *   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
4293  *   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
4294  *   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
4295  *   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
4296  *   0 ≤ eval out5 < m
4297  *   0 ≤ eval out5 < m
4298  *   0 ≤ eval out2 < m
4299  *   0 ≤ eval out3 < m
4300  *
4301  * Input Bounds:
4302  *   arg1: [0x0 ~> 0xffffffff]
4303  *   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4304  *   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4305  *   arg4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4306  *   arg5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4307  * Output Bounds:
4308  *   out1: [0x0 ~> 0xffffffff]
4309  *   out2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4310  *   out3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4311  *   out4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4312  *   out5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4313  */
fiat_p256_divstep(uint32_t * out1,uint32_t out2[9],uint32_t out3[9],uint32_t out4[8],uint32_t out5[8],uint32_t arg1,const uint32_t arg2[9],const uint32_t arg3[9],const uint32_t arg4[8],const uint32_t arg5[8])4314 static FIAT_P256_FIAT_INLINE void fiat_p256_divstep(uint32_t* out1, uint32_t out2[9], uint32_t out3[9], uint32_t out4[8], uint32_t out5[8], uint32_t arg1, const uint32_t arg2[9], const uint32_t arg3[9], const uint32_t arg4[8], const uint32_t arg5[8]) {
4315   uint32_t x1;
4316   fiat_p256_uint1 x2;
4317   fiat_p256_uint1 x3;
4318   uint32_t x4;
4319   fiat_p256_uint1 x5;
4320   uint32_t x6;
4321   uint32_t x7;
4322   uint32_t x8;
4323   uint32_t x9;
4324   uint32_t x10;
4325   uint32_t x11;
4326   uint32_t x12;
4327   uint32_t x13;
4328   uint32_t x14;
4329   uint32_t x15;
4330   uint32_t x16;
4331   fiat_p256_uint1 x17;
4332   uint32_t x18;
4333   fiat_p256_uint1 x19;
4334   uint32_t x20;
4335   fiat_p256_uint1 x21;
4336   uint32_t x22;
4337   fiat_p256_uint1 x23;
4338   uint32_t x24;
4339   fiat_p256_uint1 x25;
4340   uint32_t x26;
4341   fiat_p256_uint1 x27;
4342   uint32_t x28;
4343   fiat_p256_uint1 x29;
4344   uint32_t x30;
4345   fiat_p256_uint1 x31;
4346   uint32_t x32;
4347   fiat_p256_uint1 x33;
4348   uint32_t x34;
4349   uint32_t x35;
4350   uint32_t x36;
4351   uint32_t x37;
4352   uint32_t x38;
4353   uint32_t x39;
4354   uint32_t x40;
4355   uint32_t x41;
4356   uint32_t x42;
4357   uint32_t x43;
4358   uint32_t x44;
4359   uint32_t x45;
4360   uint32_t x46;
4361   uint32_t x47;
4362   uint32_t x48;
4363   uint32_t x49;
4364   uint32_t x50;
4365   uint32_t x51;
4366   fiat_p256_uint1 x52;
4367   uint32_t x53;
4368   fiat_p256_uint1 x54;
4369   uint32_t x55;
4370   fiat_p256_uint1 x56;
4371   uint32_t x57;
4372   fiat_p256_uint1 x58;
4373   uint32_t x59;
4374   fiat_p256_uint1 x60;
4375   uint32_t x61;
4376   fiat_p256_uint1 x62;
4377   uint32_t x63;
4378   fiat_p256_uint1 x64;
4379   uint32_t x65;
4380   fiat_p256_uint1 x66;
4381   uint32_t x67;
4382   fiat_p256_uint1 x68;
4383   uint32_t x69;
4384   fiat_p256_uint1 x70;
4385   uint32_t x71;
4386   fiat_p256_uint1 x72;
4387   uint32_t x73;
4388   fiat_p256_uint1 x74;
4389   uint32_t x75;
4390   fiat_p256_uint1 x76;
4391   uint32_t x77;
4392   fiat_p256_uint1 x78;
4393   uint32_t x79;
4394   fiat_p256_uint1 x80;
4395   uint32_t x81;
4396   fiat_p256_uint1 x82;
4397   uint32_t x83;
4398   fiat_p256_uint1 x84;
4399   uint32_t x85;
4400   uint32_t x86;
4401   uint32_t x87;
4402   uint32_t x88;
4403   uint32_t x89;
4404   uint32_t x90;
4405   uint32_t x91;
4406   uint32_t x92;
4407   uint32_t x93;
4408   fiat_p256_uint1 x94;
4409   uint32_t x95;
4410   fiat_p256_uint1 x96;
4411   uint32_t x97;
4412   fiat_p256_uint1 x98;
4413   uint32_t x99;
4414   fiat_p256_uint1 x100;
4415   uint32_t x101;
4416   fiat_p256_uint1 x102;
4417   uint32_t x103;
4418   fiat_p256_uint1 x104;
4419   uint32_t x105;
4420   fiat_p256_uint1 x106;
4421   uint32_t x107;
4422   fiat_p256_uint1 x108;
4423   uint32_t x109;
4424   uint32_t x110;
4425   fiat_p256_uint1 x111;
4426   uint32_t x112;
4427   fiat_p256_uint1 x113;
4428   uint32_t x114;
4429   fiat_p256_uint1 x115;
4430   uint32_t x116;
4431   fiat_p256_uint1 x117;
4432   uint32_t x118;
4433   fiat_p256_uint1 x119;
4434   uint32_t x120;
4435   fiat_p256_uint1 x121;
4436   uint32_t x122;
4437   fiat_p256_uint1 x123;
4438   uint32_t x124;
4439   fiat_p256_uint1 x125;
4440   uint32_t x126;
4441   uint32_t x127;
4442   uint32_t x128;
4443   uint32_t x129;
4444   uint32_t x130;
4445   uint32_t x131;
4446   uint32_t x132;
4447   uint32_t x133;
4448   fiat_p256_uint1 x134;
4449   uint32_t x135;
4450   uint32_t x136;
4451   uint32_t x137;
4452   uint32_t x138;
4453   uint32_t x139;
4454   uint32_t x140;
4455   uint32_t x141;
4456   uint32_t x142;
4457   uint32_t x143;
4458   uint32_t x144;
4459   fiat_p256_uint1 x145;
4460   uint32_t x146;
4461   fiat_p256_uint1 x147;
4462   uint32_t x148;
4463   fiat_p256_uint1 x149;
4464   uint32_t x150;
4465   fiat_p256_uint1 x151;
4466   uint32_t x152;
4467   fiat_p256_uint1 x153;
4468   uint32_t x154;
4469   fiat_p256_uint1 x155;
4470   uint32_t x156;
4471   fiat_p256_uint1 x157;
4472   uint32_t x158;
4473   fiat_p256_uint1 x159;
4474   uint32_t x160;
4475   fiat_p256_uint1 x161;
4476   uint32_t x162;
4477   uint32_t x163;
4478   uint32_t x164;
4479   uint32_t x165;
4480   uint32_t x166;
4481   uint32_t x167;
4482   uint32_t x168;
4483   uint32_t x169;
4484   uint32_t x170;
4485   fiat_p256_uint1 x171;
4486   uint32_t x172;
4487   fiat_p256_uint1 x173;
4488   uint32_t x174;
4489   fiat_p256_uint1 x175;
4490   uint32_t x176;
4491   fiat_p256_uint1 x177;
4492   uint32_t x178;
4493   fiat_p256_uint1 x179;
4494   uint32_t x180;
4495   fiat_p256_uint1 x181;
4496   uint32_t x182;
4497   fiat_p256_uint1 x183;
4498   uint32_t x184;
4499   fiat_p256_uint1 x185;
4500   uint32_t x186;
4501   fiat_p256_uint1 x187;
4502   uint32_t x188;
4503   fiat_p256_uint1 x189;
4504   uint32_t x190;
4505   fiat_p256_uint1 x191;
4506   uint32_t x192;
4507   fiat_p256_uint1 x193;
4508   uint32_t x194;
4509   fiat_p256_uint1 x195;
4510   uint32_t x196;
4511   fiat_p256_uint1 x197;
4512   uint32_t x198;
4513   fiat_p256_uint1 x199;
4514   uint32_t x200;
4515   fiat_p256_uint1 x201;
4516   uint32_t x202;
4517   fiat_p256_uint1 x203;
4518   uint32_t x204;
4519   fiat_p256_uint1 x205;
4520   uint32_t x206;
4521   uint32_t x207;
4522   uint32_t x208;
4523   uint32_t x209;
4524   uint32_t x210;
4525   uint32_t x211;
4526   uint32_t x212;
4527   uint32_t x213;
4528   uint32_t x214;
4529   uint32_t x215;
4530   uint32_t x216;
4531   uint32_t x217;
4532   uint32_t x218;
4533   uint32_t x219;
4534   uint32_t x220;
4535   uint32_t x221;
4536   uint32_t x222;
4537   uint32_t x223;
4538   uint32_t x224;
4539   uint32_t x225;
4540   uint32_t x226;
4541   uint32_t x227;
4542   uint32_t x228;
4543   uint32_t x229;
4544   uint32_t x230;
4545   fiat_p256_addcarryx_u32(&x1, &x2, 0x0, (~arg1), 0x1);
4546   x3 = (fiat_p256_uint1)((fiat_p256_uint1)(x1 >> 31) & (fiat_p256_uint1)((arg3[0]) & 0x1));
4547   fiat_p256_addcarryx_u32(&x4, &x5, 0x0, (~arg1), 0x1);
4548   fiat_p256_cmovznz_u32(&x6, x3, arg1, x4);
4549   fiat_p256_cmovznz_u32(&x7, x3, (arg2[0]), (arg3[0]));
4550   fiat_p256_cmovznz_u32(&x8, x3, (arg2[1]), (arg3[1]));
4551   fiat_p256_cmovznz_u32(&x9, x3, (arg2[2]), (arg3[2]));
4552   fiat_p256_cmovznz_u32(&x10, x3, (arg2[3]), (arg3[3]));
4553   fiat_p256_cmovznz_u32(&x11, x3, (arg2[4]), (arg3[4]));
4554   fiat_p256_cmovznz_u32(&x12, x3, (arg2[5]), (arg3[5]));
4555   fiat_p256_cmovznz_u32(&x13, x3, (arg2[6]), (arg3[6]));
4556   fiat_p256_cmovznz_u32(&x14, x3, (arg2[7]), (arg3[7]));
4557   fiat_p256_cmovznz_u32(&x15, x3, (arg2[8]), (arg3[8]));
4558   fiat_p256_addcarryx_u32(&x16, &x17, 0x0, 0x1, (~(arg2[0])));
4559   fiat_p256_addcarryx_u32(&x18, &x19, x17, 0x0, (~(arg2[1])));
4560   fiat_p256_addcarryx_u32(&x20, &x21, x19, 0x0, (~(arg2[2])));
4561   fiat_p256_addcarryx_u32(&x22, &x23, x21, 0x0, (~(arg2[3])));
4562   fiat_p256_addcarryx_u32(&x24, &x25, x23, 0x0, (~(arg2[4])));
4563   fiat_p256_addcarryx_u32(&x26, &x27, x25, 0x0, (~(arg2[5])));
4564   fiat_p256_addcarryx_u32(&x28, &x29, x27, 0x0, (~(arg2[6])));
4565   fiat_p256_addcarryx_u32(&x30, &x31, x29, 0x0, (~(arg2[7])));
4566   fiat_p256_addcarryx_u32(&x32, &x33, x31, 0x0, (~(arg2[8])));
4567   fiat_p256_cmovznz_u32(&x34, x3, (arg3[0]), x16);
4568   fiat_p256_cmovznz_u32(&x35, x3, (arg3[1]), x18);
4569   fiat_p256_cmovznz_u32(&x36, x3, (arg3[2]), x20);
4570   fiat_p256_cmovznz_u32(&x37, x3, (arg3[3]), x22);
4571   fiat_p256_cmovznz_u32(&x38, x3, (arg3[4]), x24);
4572   fiat_p256_cmovznz_u32(&x39, x3, (arg3[5]), x26);
4573   fiat_p256_cmovznz_u32(&x40, x3, (arg3[6]), x28);
4574   fiat_p256_cmovznz_u32(&x41, x3, (arg3[7]), x30);
4575   fiat_p256_cmovznz_u32(&x42, x3, (arg3[8]), x32);
4576   fiat_p256_cmovznz_u32(&x43, x3, (arg4[0]), (arg5[0]));
4577   fiat_p256_cmovznz_u32(&x44, x3, (arg4[1]), (arg5[1]));
4578   fiat_p256_cmovznz_u32(&x45, x3, (arg4[2]), (arg5[2]));
4579   fiat_p256_cmovznz_u32(&x46, x3, (arg4[3]), (arg5[3]));
4580   fiat_p256_cmovznz_u32(&x47, x3, (arg4[4]), (arg5[4]));
4581   fiat_p256_cmovznz_u32(&x48, x3, (arg4[5]), (arg5[5]));
4582   fiat_p256_cmovznz_u32(&x49, x3, (arg4[6]), (arg5[6]));
4583   fiat_p256_cmovznz_u32(&x50, x3, (arg4[7]), (arg5[7]));
4584   fiat_p256_addcarryx_u32(&x51, &x52, 0x0, x43, x43);
4585   fiat_p256_addcarryx_u32(&x53, &x54, x52, x44, x44);
4586   fiat_p256_addcarryx_u32(&x55, &x56, x54, x45, x45);
4587   fiat_p256_addcarryx_u32(&x57, &x58, x56, x46, x46);
4588   fiat_p256_addcarryx_u32(&x59, &x60, x58, x47, x47);
4589   fiat_p256_addcarryx_u32(&x61, &x62, x60, x48, x48);
4590   fiat_p256_addcarryx_u32(&x63, &x64, x62, x49, x49);
4591   fiat_p256_addcarryx_u32(&x65, &x66, x64, x50, x50);
4592   fiat_p256_subborrowx_u32(&x67, &x68, 0x0, x51, UINT32_C(0xffffffff));
4593   fiat_p256_subborrowx_u32(&x69, &x70, x68, x53, UINT32_C(0xffffffff));
4594   fiat_p256_subborrowx_u32(&x71, &x72, x70, x55, UINT32_C(0xffffffff));
4595   fiat_p256_subborrowx_u32(&x73, &x74, x72, x57, 0x0);
4596   fiat_p256_subborrowx_u32(&x75, &x76, x74, x59, 0x0);
4597   fiat_p256_subborrowx_u32(&x77, &x78, x76, x61, 0x0);
4598   fiat_p256_subborrowx_u32(&x79, &x80, x78, x63, 0x1);
4599   fiat_p256_subborrowx_u32(&x81, &x82, x80, x65, UINT32_C(0xffffffff));
4600   fiat_p256_subborrowx_u32(&x83, &x84, x82, x66, 0x0);
4601   x85 = (arg4[7]);
4602   x86 = (arg4[6]);
4603   x87 = (arg4[5]);
4604   x88 = (arg4[4]);
4605   x89 = (arg4[3]);
4606   x90 = (arg4[2]);
4607   x91 = (arg4[1]);
4608   x92 = (arg4[0]);
4609   fiat_p256_subborrowx_u32(&x93, &x94, 0x0, 0x0, x92);
4610   fiat_p256_subborrowx_u32(&x95, &x96, x94, 0x0, x91);
4611   fiat_p256_subborrowx_u32(&x97, &x98, x96, 0x0, x90);
4612   fiat_p256_subborrowx_u32(&x99, &x100, x98, 0x0, x89);
4613   fiat_p256_subborrowx_u32(&x101, &x102, x100, 0x0, x88);
4614   fiat_p256_subborrowx_u32(&x103, &x104, x102, 0x0, x87);
4615   fiat_p256_subborrowx_u32(&x105, &x106, x104, 0x0, x86);
4616   fiat_p256_subborrowx_u32(&x107, &x108, x106, 0x0, x85);
4617   fiat_p256_cmovznz_u32(&x109, x108, 0x0, UINT32_C(0xffffffff));
4618   fiat_p256_addcarryx_u32(&x110, &x111, 0x0, x93, x109);
4619   fiat_p256_addcarryx_u32(&x112, &x113, x111, x95, x109);
4620   fiat_p256_addcarryx_u32(&x114, &x115, x113, x97, x109);
4621   fiat_p256_addcarryx_u32(&x116, &x117, x115, x99, 0x0);
4622   fiat_p256_addcarryx_u32(&x118, &x119, x117, x101, 0x0);
4623   fiat_p256_addcarryx_u32(&x120, &x121, x119, x103, 0x0);
4624   fiat_p256_addcarryx_u32(&x122, &x123, x121, x105, (fiat_p256_uint1)(x109 & 0x1));
4625   fiat_p256_addcarryx_u32(&x124, &x125, x123, x107, x109);
4626   fiat_p256_cmovznz_u32(&x126, x3, (arg5[0]), x110);
4627   fiat_p256_cmovznz_u32(&x127, x3, (arg5[1]), x112);
4628   fiat_p256_cmovznz_u32(&x128, x3, (arg5[2]), x114);
4629   fiat_p256_cmovznz_u32(&x129, x3, (arg5[3]), x116);
4630   fiat_p256_cmovznz_u32(&x130, x3, (arg5[4]), x118);
4631   fiat_p256_cmovznz_u32(&x131, x3, (arg5[5]), x120);
4632   fiat_p256_cmovznz_u32(&x132, x3, (arg5[6]), x122);
4633   fiat_p256_cmovznz_u32(&x133, x3, (arg5[7]), x124);
4634   x134 = (fiat_p256_uint1)(x34 & 0x1);
4635   fiat_p256_cmovznz_u32(&x135, x134, 0x0, x7);
4636   fiat_p256_cmovznz_u32(&x136, x134, 0x0, x8);
4637   fiat_p256_cmovznz_u32(&x137, x134, 0x0, x9);
4638   fiat_p256_cmovznz_u32(&x138, x134, 0x0, x10);
4639   fiat_p256_cmovznz_u32(&x139, x134, 0x0, x11);
4640   fiat_p256_cmovznz_u32(&x140, x134, 0x0, x12);
4641   fiat_p256_cmovznz_u32(&x141, x134, 0x0, x13);
4642   fiat_p256_cmovznz_u32(&x142, x134, 0x0, x14);
4643   fiat_p256_cmovznz_u32(&x143, x134, 0x0, x15);
4644   fiat_p256_addcarryx_u32(&x144, &x145, 0x0, x34, x135);
4645   fiat_p256_addcarryx_u32(&x146, &x147, x145, x35, x136);
4646   fiat_p256_addcarryx_u32(&x148, &x149, x147, x36, x137);
4647   fiat_p256_addcarryx_u32(&x150, &x151, x149, x37, x138);
4648   fiat_p256_addcarryx_u32(&x152, &x153, x151, x38, x139);
4649   fiat_p256_addcarryx_u32(&x154, &x155, x153, x39, x140);
4650   fiat_p256_addcarryx_u32(&x156, &x157, x155, x40, x141);
4651   fiat_p256_addcarryx_u32(&x158, &x159, x157, x41, x142);
4652   fiat_p256_addcarryx_u32(&x160, &x161, x159, x42, x143);
4653   fiat_p256_cmovznz_u32(&x162, x134, 0x0, x43);
4654   fiat_p256_cmovznz_u32(&x163, x134, 0x0, x44);
4655   fiat_p256_cmovznz_u32(&x164, x134, 0x0, x45);
4656   fiat_p256_cmovznz_u32(&x165, x134, 0x0, x46);
4657   fiat_p256_cmovznz_u32(&x166, x134, 0x0, x47);
4658   fiat_p256_cmovznz_u32(&x167, x134, 0x0, x48);
4659   fiat_p256_cmovznz_u32(&x168, x134, 0x0, x49);
4660   fiat_p256_cmovznz_u32(&x169, x134, 0x0, x50);
4661   fiat_p256_addcarryx_u32(&x170, &x171, 0x0, x126, x162);
4662   fiat_p256_addcarryx_u32(&x172, &x173, x171, x127, x163);
4663   fiat_p256_addcarryx_u32(&x174, &x175, x173, x128, x164);
4664   fiat_p256_addcarryx_u32(&x176, &x177, x175, x129, x165);
4665   fiat_p256_addcarryx_u32(&x178, &x179, x177, x130, x166);
4666   fiat_p256_addcarryx_u32(&x180, &x181, x179, x131, x167);
4667   fiat_p256_addcarryx_u32(&x182, &x183, x181, x132, x168);
4668   fiat_p256_addcarryx_u32(&x184, &x185, x183, x133, x169);
4669   fiat_p256_subborrowx_u32(&x186, &x187, 0x0, x170, UINT32_C(0xffffffff));
4670   fiat_p256_subborrowx_u32(&x188, &x189, x187, x172, UINT32_C(0xffffffff));
4671   fiat_p256_subborrowx_u32(&x190, &x191, x189, x174, UINT32_C(0xffffffff));
4672   fiat_p256_subborrowx_u32(&x192, &x193, x191, x176, 0x0);
4673   fiat_p256_subborrowx_u32(&x194, &x195, x193, x178, 0x0);
4674   fiat_p256_subborrowx_u32(&x196, &x197, x195, x180, 0x0);
4675   fiat_p256_subborrowx_u32(&x198, &x199, x197, x182, 0x1);
4676   fiat_p256_subborrowx_u32(&x200, &x201, x199, x184, UINT32_C(0xffffffff));
4677   fiat_p256_subborrowx_u32(&x202, &x203, x201, x185, 0x0);
4678   fiat_p256_addcarryx_u32(&x204, &x205, 0x0, x6, 0x1);
4679   x206 = ((x144 >> 1) | ((x146 << 31) & UINT32_C(0xffffffff)));
4680   x207 = ((x146 >> 1) | ((x148 << 31) & UINT32_C(0xffffffff)));
4681   x208 = ((x148 >> 1) | ((x150 << 31) & UINT32_C(0xffffffff)));
4682   x209 = ((x150 >> 1) | ((x152 << 31) & UINT32_C(0xffffffff)));
4683   x210 = ((x152 >> 1) | ((x154 << 31) & UINT32_C(0xffffffff)));
4684   x211 = ((x154 >> 1) | ((x156 << 31) & UINT32_C(0xffffffff)));
4685   x212 = ((x156 >> 1) | ((x158 << 31) & UINT32_C(0xffffffff)));
4686   x213 = ((x158 >> 1) | ((x160 << 31) & UINT32_C(0xffffffff)));
4687   x214 = ((x160 & UINT32_C(0x80000000)) | (x160 >> 1));
4688   fiat_p256_cmovznz_u32(&x215, x84, x67, x51);
4689   fiat_p256_cmovznz_u32(&x216, x84, x69, x53);
4690   fiat_p256_cmovznz_u32(&x217, x84, x71, x55);
4691   fiat_p256_cmovznz_u32(&x218, x84, x73, x57);
4692   fiat_p256_cmovznz_u32(&x219, x84, x75, x59);
4693   fiat_p256_cmovznz_u32(&x220, x84, x77, x61);
4694   fiat_p256_cmovznz_u32(&x221, x84, x79, x63);
4695   fiat_p256_cmovznz_u32(&x222, x84, x81, x65);
4696   fiat_p256_cmovznz_u32(&x223, x203, x186, x170);
4697   fiat_p256_cmovznz_u32(&x224, x203, x188, x172);
4698   fiat_p256_cmovznz_u32(&x225, x203, x190, x174);
4699   fiat_p256_cmovznz_u32(&x226, x203, x192, x176);
4700   fiat_p256_cmovznz_u32(&x227, x203, x194, x178);
4701   fiat_p256_cmovznz_u32(&x228, x203, x196, x180);
4702   fiat_p256_cmovznz_u32(&x229, x203, x198, x182);
4703   fiat_p256_cmovznz_u32(&x230, x203, x200, x184);
4704   *out1 = x204;
4705   out2[0] = x7;
4706   out2[1] = x8;
4707   out2[2] = x9;
4708   out2[3] = x10;
4709   out2[4] = x11;
4710   out2[5] = x12;
4711   out2[6] = x13;
4712   out2[7] = x14;
4713   out2[8] = x15;
4714   out3[0] = x206;
4715   out3[1] = x207;
4716   out3[2] = x208;
4717   out3[3] = x209;
4718   out3[4] = x210;
4719   out3[5] = x211;
4720   out3[6] = x212;
4721   out3[7] = x213;
4722   out3[8] = x214;
4723   out4[0] = x215;
4724   out4[1] = x216;
4725   out4[2] = x217;
4726   out4[3] = x218;
4727   out4[4] = x219;
4728   out4[5] = x220;
4729   out4[6] = x221;
4730   out4[7] = x222;
4731   out5[0] = x223;
4732   out5[1] = x224;
4733   out5[2] = x225;
4734   out5[3] = x226;
4735   out5[4] = x227;
4736   out5[5] = x228;
4737   out5[6] = x229;
4738   out5[7] = x230;
4739 }
4740 
4741 /*
4742  * The function fiat_p256_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
4743  *
4744  * Postconditions:
4745  *   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
4746  *   0 ≤ eval out1 < m
4747  *
4748  * Output Bounds:
4749  *   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
4750  */
fiat_p256_divstep_precomp(uint32_t out1[8])4751 static FIAT_P256_FIAT_INLINE void fiat_p256_divstep_precomp(uint32_t out1[8]) {
4752   out1[0] = UINT32_C(0xb8000000);
4753   out1[1] = UINT32_C(0x67ffffff);
4754   out1[2] = UINT32_C(0x38000000);
4755   out1[3] = UINT32_C(0xc0000000);
4756   out1[4] = UINT32_C(0x7fffffff);
4757   out1[5] = UINT32_C(0xd8000000);
4758   out1[6] = UINT32_C(0xffffffff);
4759   out1[7] = UINT32_C(0x2fffffff);
4760 }
4761