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curve25519_solinas_64.c
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curve25519_solinas_64.c
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/* Autogenerated: 'src/ExtractionOCaml/solinas_reduction' --inline --static --use-value-barrier curve25519_solinas 64 '2^255 - 19' mul square */
/* curve description: curve25519_solinas */
/* machine_wordsize = 64 (from "64") */
/* requested operations: mul, square */
/* s-c = 2^255 - [(1, 19)] (from "2^255 - 19") */
/* */
/* Computed values: */
/* */
#include <stdint.h>
typedef unsigned char fiat_curve25519_solinas_uint1;
typedef signed char fiat_curve25519_solinas_int1;
#if defined(__GNUC__) || defined(__clang__)
# define FIAT_CURVE25519_SOLINAS_FIAT_EXTENSION __extension__
# define FIAT_CURVE25519_SOLINAS_FIAT_INLINE __inline__
#else
# define FIAT_CURVE25519_SOLINAS_FIAT_EXTENSION
# define FIAT_CURVE25519_SOLINAS_FIAT_INLINE
#endif
FIAT_CURVE25519_SOLINAS_FIAT_EXTENSION typedef signed __int128 fiat_curve25519_solinas_int128;
FIAT_CURVE25519_SOLINAS_FIAT_EXTENSION typedef unsigned __int128 fiat_curve25519_solinas_uint128;
#if (-1 & 3) != 3
#error "This code only works on a two's complement system"
#endif
#if !defined(FIAT_CURVE25519_SOLINAS_NO_ASM) && (defined(__GNUC__) || defined(__clang__))
static __inline__ uint64_t fiat_curve25519_solinas_value_barrier_u64(uint64_t a) {
__asm__("" : "+r"(a) : /* no inputs */);
return a;
}
#else
# define fiat_curve25519_solinas_value_barrier_u64(x) (x)
#endif
/*
* The function fiat_curve25519_solinas_addcarryx_u64 is an addition with carry.
*
* Postconditions:
* out1 = (arg1 + arg2 + arg3) mod 2^64
* out2 = ⌊(arg1 + arg2 + arg3) / 2^64⌋
*
* Input Bounds:
* arg1: [0x0 ~> 0x1]
* arg2: [0x0 ~> 0xffffffffffffffff]
* arg3: [0x0 ~> 0xffffffffffffffff]
* Output Bounds:
* out1: [0x0 ~> 0xffffffffffffffff]
* out2: [0x0 ~> 0x1]
*/
static FIAT_CURVE25519_SOLINAS_FIAT_INLINE void fiat_curve25519_solinas_addcarryx_u64(uint64_t* out1, fiat_curve25519_solinas_uint1* out2, fiat_curve25519_solinas_uint1 arg1, uint64_t arg2, uint64_t arg3) {
fiat_curve25519_solinas_uint128 x1;
uint64_t x2;
fiat_curve25519_solinas_uint1 x3;
x1 = ((arg1 + (fiat_curve25519_solinas_uint128)arg2) + arg3);
x2 = (uint64_t)(x1 & UINT64_C(0xffffffffffffffff));
x3 = (fiat_curve25519_solinas_uint1)(x1 >> 64);
*out1 = x2;
*out2 = x3;
}
/*
* The function fiat_curve25519_solinas_subborrowx_u64 is a subtraction with borrow.
*
* Postconditions:
* out1 = (-arg1 + arg2 + -arg3) mod 2^64
* out2 = -⌊(-arg1 + arg2 + -arg3) / 2^64⌋
*
* Input Bounds:
* arg1: [0x0 ~> 0x1]
* arg2: [0x0 ~> 0xffffffffffffffff]
* arg3: [0x0 ~> 0xffffffffffffffff]
* Output Bounds:
* out1: [0x0 ~> 0xffffffffffffffff]
* out2: [0x0 ~> 0x1]
*/
static FIAT_CURVE25519_SOLINAS_FIAT_INLINE void fiat_curve25519_solinas_subborrowx_u64(uint64_t* out1, fiat_curve25519_solinas_uint1* out2, fiat_curve25519_solinas_uint1 arg1, uint64_t arg2, uint64_t arg3) {
fiat_curve25519_solinas_int128 x1;
fiat_curve25519_solinas_int1 x2;
uint64_t x3;
x1 = ((arg2 - (fiat_curve25519_solinas_int128)arg1) - arg3);
x2 = (fiat_curve25519_solinas_int1)(x1 >> 64);
x3 = (uint64_t)(x1 & UINT64_C(0xffffffffffffffff));
*out1 = x3;
*out2 = (fiat_curve25519_solinas_uint1)(0x0 - x2);
}
/*
* The function fiat_curve25519_solinas_mulx_u64 is a multiplication, returning the full double-width result.
*
* Postconditions:
* out1 = (arg1 * arg2) mod 2^64
* out2 = ⌊arg1 * arg2 / 2^64⌋
*
* Input Bounds:
* arg1: [0x0 ~> 0xffffffffffffffff]
* arg2: [0x0 ~> 0xffffffffffffffff]
* Output Bounds:
* out1: [0x0 ~> 0xffffffffffffffff]
* out2: [0x0 ~> 0xffffffffffffffff]
*/
static FIAT_CURVE25519_SOLINAS_FIAT_INLINE void fiat_curve25519_solinas_mulx_u64(uint64_t* out1, uint64_t* out2, uint64_t arg1, uint64_t arg2) {
fiat_curve25519_solinas_uint128 x1;
uint64_t x2;
uint64_t x3;
x1 = ((fiat_curve25519_solinas_uint128)arg1 * arg2);
x2 = (uint64_t)(x1 & UINT64_C(0xffffffffffffffff));
x3 = (uint64_t)(x1 >> 64);
*out1 = x2;
*out2 = x3;
}
/*
* The function fiat_curve25519_solinas_cmovznz_u64 is a single-word conditional move.
*
* Postconditions:
* out1 = (if arg1 = 0 then arg2 else arg3)
*
* Input Bounds:
* arg1: [0x0 ~> 0x1]
* arg2: [0x0 ~> 0xffffffffffffffff]
* arg3: [0x0 ~> 0xffffffffffffffff]
* Output Bounds:
* out1: [0x0 ~> 0xffffffffffffffff]
*/
static FIAT_CURVE25519_SOLINAS_FIAT_INLINE void fiat_curve25519_solinas_cmovznz_u64(uint64_t* out1, fiat_curve25519_solinas_uint1 arg1, uint64_t arg2, uint64_t arg3) {
fiat_curve25519_solinas_uint1 x1;
uint64_t x2;
uint64_t x3;
x1 = (!(!arg1));
x2 = ((fiat_curve25519_solinas_int1)(0x0 - x1) & UINT64_C(0xffffffffffffffff));
x3 = ((fiat_curve25519_solinas_value_barrier_u64(x2) & arg3) | (fiat_curve25519_solinas_value_barrier_u64((~x2)) & arg2));
*out1 = x3;
}
/*
* The function fiat_curve25519_solinas_mul multiplies two field elements.
*
* Postconditions:
* eval out1 mod 57896044618658097711785492504343953926634992332820282019728792003956564819949 = (eval arg1 * eval arg2) mod 57896044618658097711785492504343953926634992332820282019728792003956564819949
*
* Input Bounds:
* arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
* arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
* Output Bounds:
* out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
*/
static FIAT_CURVE25519_SOLINAS_FIAT_INLINE void fiat_curve25519_solinas_mul(uint64_t out1[4], const uint64_t arg1[4], const uint64_t arg2[4]) {
uint64_t x1;
uint64_t x2;
uint64_t x3;
uint64_t x4;
uint64_t x5;
uint64_t x6;
uint64_t x7;
uint64_t x8;
uint64_t x9;
uint64_t x10;
uint64_t x11;
uint64_t x12;
uint64_t x13;
uint64_t x14;
uint64_t x15;
uint64_t x16;
uint64_t x17;
uint64_t x18;
uint64_t x19;
uint64_t x20;
uint64_t x21;
uint64_t x22;
uint64_t x23;
uint64_t x24;
uint64_t x25;
uint64_t x26;
uint64_t x27;
uint64_t x28;
uint64_t x29;
uint64_t x30;
uint64_t x31;
uint64_t x32;
uint64_t x33;
fiat_curve25519_solinas_uint1 x34;
uint64_t x35;
fiat_curve25519_solinas_uint1 x36;
uint64_t x37;
uint64_t x38;
fiat_curve25519_solinas_uint1 x39;
uint64_t x40;
fiat_curve25519_solinas_uint1 x41;
uint64_t x42;
fiat_curve25519_solinas_uint1 x43;
uint64_t x44;
uint64_t x45;
fiat_curve25519_solinas_uint1 x46;
uint64_t x47;
fiat_curve25519_solinas_uint1 x48;
uint64_t x49;
fiat_curve25519_solinas_uint1 x50;
uint64_t x51;
fiat_curve25519_solinas_uint1 x52;
uint64_t x53;
fiat_curve25519_solinas_uint1 x54;
uint64_t x55;
uint64_t x56;
fiat_curve25519_solinas_uint1 x57;
uint64_t x58;
fiat_curve25519_solinas_uint1 x59;
uint64_t x60;
fiat_curve25519_solinas_uint1 x61;
uint64_t x62;
fiat_curve25519_solinas_uint1 x63;
uint64_t x64;
fiat_curve25519_solinas_uint1 x65;
uint64_t x66;
fiat_curve25519_solinas_uint1 x67;
uint64_t x68;
fiat_curve25519_solinas_uint1 x69;
uint64_t x70;
fiat_curve25519_solinas_uint1 x71;
uint64_t x72;
fiat_curve25519_solinas_uint1 x73;
uint64_t x74;
fiat_curve25519_solinas_uint1 x75;
uint64_t x76;
fiat_curve25519_solinas_uint1 x77;
uint64_t x78;
fiat_curve25519_solinas_uint1 x79;
uint64_t x80;
fiat_curve25519_solinas_uint1 x81;
uint64_t x82;
fiat_curve25519_solinas_uint1 x83;
uint64_t x84;
fiat_curve25519_solinas_uint1 x85;
uint64_t x86;
fiat_curve25519_solinas_uint1 x87;
uint64_t x88;
fiat_curve25519_solinas_uint1 x89;
uint64_t x90;
fiat_curve25519_solinas_uint1 x91;
uint64_t x92;
fiat_curve25519_solinas_uint1 x93;
uint64_t x94;
fiat_curve25519_solinas_uint1 x95;
uint64_t x96;
uint64_t x97;
uint64_t x98;
uint64_t x99;
uint64_t x100;
uint64_t x101;
uint64_t x102;
uint64_t x103;
uint64_t x104;
fiat_curve25519_solinas_uint1 x105;
uint64_t x106;
fiat_curve25519_solinas_uint1 x107;
uint64_t x108;
fiat_curve25519_solinas_uint1 x109;
uint64_t x110;
uint64_t x111;
fiat_curve25519_solinas_uint1 x112;
uint64_t x113;
fiat_curve25519_solinas_uint1 x114;
uint64_t x115;
fiat_curve25519_solinas_uint1 x116;
uint64_t x117;
fiat_curve25519_solinas_uint1 x118;
uint64_t x119;
uint64_t x120;
uint64_t x121;
uint64_t x122;
fiat_curve25519_solinas_uint1 x123;
uint64_t x124;
fiat_curve25519_solinas_uint1 x125;
uint64_t x126;
fiat_curve25519_solinas_uint1 x127;
uint64_t x128;
fiat_curve25519_solinas_uint1 x129;
uint64_t x130;
uint64_t x131;
fiat_curve25519_solinas_uint1 x132;
fiat_curve25519_solinas_mulx_u64(&x1, &x2, (arg1[3]), (arg2[3]));
fiat_curve25519_solinas_mulx_u64(&x3, &x4, (arg1[3]), (arg2[2]));
fiat_curve25519_solinas_mulx_u64(&x5, &x6, (arg1[3]), (arg2[1]));
fiat_curve25519_solinas_mulx_u64(&x7, &x8, (arg1[3]), (arg2[0]));
fiat_curve25519_solinas_mulx_u64(&x9, &x10, (arg1[2]), (arg2[3]));
fiat_curve25519_solinas_mulx_u64(&x11, &x12, (arg1[2]), (arg2[2]));
fiat_curve25519_solinas_mulx_u64(&x13, &x14, (arg1[2]), (arg2[1]));
fiat_curve25519_solinas_mulx_u64(&x15, &x16, (arg1[2]), (arg2[0]));
fiat_curve25519_solinas_mulx_u64(&x17, &x18, (arg1[1]), (arg2[3]));
fiat_curve25519_solinas_mulx_u64(&x19, &x20, (arg1[1]), (arg2[2]));
fiat_curve25519_solinas_mulx_u64(&x21, &x22, (arg1[1]), (arg2[1]));
fiat_curve25519_solinas_mulx_u64(&x23, &x24, (arg1[1]), (arg2[0]));
fiat_curve25519_solinas_mulx_u64(&x25, &x26, (arg1[0]), (arg2[3]));
fiat_curve25519_solinas_mulx_u64(&x27, &x28, (arg1[0]), (arg2[2]));
fiat_curve25519_solinas_mulx_u64(&x29, &x30, (arg1[0]), (arg2[1]));
fiat_curve25519_solinas_mulx_u64(&x31, &x32, (arg1[0]), (arg2[0]));
fiat_curve25519_solinas_addcarryx_u64(&x33, &x34, 0x0, x28, x7);
fiat_curve25519_solinas_addcarryx_u64(&x35, &x36, x34, x26, x5);
x37 = (x36 + x18);
fiat_curve25519_solinas_addcarryx_u64(&x38, &x39, 0x0, x33, x13);
fiat_curve25519_solinas_addcarryx_u64(&x40, &x41, x39, x35, x8);
fiat_curve25519_solinas_addcarryx_u64(&x42, &x43, x41, x37, 0x0);
x44 = (x43 + x10);
fiat_curve25519_solinas_addcarryx_u64(&x45, &x46, 0x0, x30, x15);
fiat_curve25519_solinas_addcarryx_u64(&x47, &x48, x46, x38, x16);
fiat_curve25519_solinas_addcarryx_u64(&x49, &x50, x48, x40, x11);
fiat_curve25519_solinas_addcarryx_u64(&x51, &x52, x50, x42, x3);
fiat_curve25519_solinas_addcarryx_u64(&x53, &x54, x52, x44, 0x0);
x55 = (x54 + x2);
fiat_curve25519_solinas_addcarryx_u64(&x56, &x57, 0x0, x45, x21);
fiat_curve25519_solinas_addcarryx_u64(&x58, &x59, x57, x47, x19);
fiat_curve25519_solinas_addcarryx_u64(&x60, &x61, x59, x49, x14);
fiat_curve25519_solinas_addcarryx_u64(&x62, &x63, x61, x51, x6);
fiat_curve25519_solinas_addcarryx_u64(&x64, &x65, x63, x53, 0x0);
fiat_curve25519_solinas_addcarryx_u64(&x66, &x67, x65, x55, 0x0);
fiat_curve25519_solinas_addcarryx_u64(&x68, &x69, 0x0, x32, x23);
fiat_curve25519_solinas_addcarryx_u64(&x70, &x71, x69, x56, x24);
fiat_curve25519_solinas_addcarryx_u64(&x72, &x73, x71, x58, x22);
fiat_curve25519_solinas_addcarryx_u64(&x74, &x75, x73, x60, x17);
fiat_curve25519_solinas_addcarryx_u64(&x76, &x77, x75, x62, x9);
fiat_curve25519_solinas_addcarryx_u64(&x78, &x79, x77, x64, x1);
fiat_curve25519_solinas_addcarryx_u64(&x80, &x81, x79, x66, 0x0);
fiat_curve25519_solinas_addcarryx_u64(&x82, &x83, 0x0, x68, x29);
fiat_curve25519_solinas_addcarryx_u64(&x84, &x85, x83, x70, x27);
fiat_curve25519_solinas_addcarryx_u64(&x86, &x87, x85, x72, x25);
fiat_curve25519_solinas_addcarryx_u64(&x88, &x89, x87, x74, x20);
fiat_curve25519_solinas_addcarryx_u64(&x90, &x91, x89, x76, x12);
fiat_curve25519_solinas_addcarryx_u64(&x92, &x93, x91, x78, x4);
fiat_curve25519_solinas_addcarryx_u64(&x94, &x95, x93, x80, 0x0);
fiat_curve25519_solinas_mulx_u64(&x96, &x97, UINT8_C(0x26), x94);
fiat_curve25519_solinas_mulx_u64(&x98, &x99, UINT8_C(0x26), x92);
fiat_curve25519_solinas_mulx_u64(&x100, &x101, UINT8_C(0x26), x90);
fiat_curve25519_solinas_mulx_u64(&x102, &x103, UINT8_C(0x26), x88);
fiat_curve25519_solinas_addcarryx_u64(&x104, &x105, 0x0, x82, x100);
fiat_curve25519_solinas_addcarryx_u64(&x106, &x107, x105, x84, x98);
fiat_curve25519_solinas_addcarryx_u64(&x108, &x109, x107, x86, x96);
x110 = (x109 + x97);
fiat_curve25519_solinas_addcarryx_u64(&x111, &x112, 0x0, x31, x102);
fiat_curve25519_solinas_addcarryx_u64(&x113, &x114, x112, x104, x103);
fiat_curve25519_solinas_addcarryx_u64(&x115, &x116, x114, x106, x101);
fiat_curve25519_solinas_addcarryx_u64(&x117, &x118, x116, x108, x99);
x119 = (x118 + x110);
fiat_curve25519_solinas_mulx_u64(&x120, &x121, UINT8_C(0x26), x119);
fiat_curve25519_solinas_addcarryx_u64(&x122, &x123, 0x0, x111, x120);
fiat_curve25519_solinas_addcarryx_u64(&x124, &x125, x123, x113, 0x0);
fiat_curve25519_solinas_addcarryx_u64(&x126, &x127, x125, x115, 0x0);
fiat_curve25519_solinas_addcarryx_u64(&x128, &x129, x127, x117, 0x0);
fiat_curve25519_solinas_cmovznz_u64(&x130, x129, 0x0, UINT8_C(0x26));
fiat_curve25519_solinas_addcarryx_u64(&x131, &x132, 0x0, x130, x122);
out1[0] = x131;
out1[1] = x124;
out1[2] = x126;
out1[3] = x128;
}
/*
* The function fiat_curve25519_solinas_square squares a field element.
*
* Postconditions:
* eval out1 mod 57896044618658097711785492504343953926634992332820282019728792003956564819949 = (eval arg1 * eval arg1) mod 57896044618658097711785492504343953926634992332820282019728792003956564819949
*
* Input Bounds:
* arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
* Output Bounds:
* out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
*/
static FIAT_CURVE25519_SOLINAS_FIAT_INLINE void fiat_curve25519_solinas_square(uint64_t out1[4], const uint64_t arg1[4]) {
uint64_t x1;
uint64_t x2;
uint64_t x3;
uint64_t x4;
uint64_t x5;
uint64_t x6;
uint64_t x7;
uint64_t x8;
uint64_t x9;
uint64_t x10;
uint64_t x11;
fiat_curve25519_solinas_uint1 x12;
uint64_t x13;
fiat_curve25519_solinas_uint1 x14;
uint64_t x15;
fiat_curve25519_solinas_uint1 x16;
uint64_t x17;
fiat_curve25519_solinas_uint1 x18;
uint64_t x19;
uint64_t x20;
uint64_t x21;
uint64_t x22;
fiat_curve25519_solinas_uint1 x23;
uint64_t x24;
fiat_curve25519_solinas_uint1 x25;
uint64_t x26;
fiat_curve25519_solinas_uint1 x27;
uint64_t x28;
fiat_curve25519_solinas_uint1 x29;
uint64_t x30;
fiat_curve25519_solinas_uint1 x31;
uint64_t x32;
fiat_curve25519_solinas_uint1 x33;
uint64_t x34;
fiat_curve25519_solinas_uint1 x35;
uint64_t x36;
fiat_curve25519_solinas_uint1 x37;
uint64_t x38;
fiat_curve25519_solinas_uint1 x39;
uint64_t x40;
fiat_curve25519_solinas_uint1 x41;
uint64_t x42;
uint64_t x43;
uint64_t x44;
uint64_t x45;
uint64_t x46;
uint64_t x47;
uint64_t x48;
uint64_t x49;
uint64_t x50;
uint64_t x51;
fiat_curve25519_solinas_uint1 x52;
uint64_t x53;
fiat_curve25519_solinas_uint1 x54;
uint64_t x55;
fiat_curve25519_solinas_uint1 x56;
uint64_t x57;
fiat_curve25519_solinas_uint1 x58;
uint64_t x59;
fiat_curve25519_solinas_uint1 x60;
uint64_t x61;
fiat_curve25519_solinas_uint1 x62;
uint64_t x63;
fiat_curve25519_solinas_uint1 x64;
uint64_t x65;
uint64_t x66;
uint64_t x67;
uint64_t x68;
uint64_t x69;
uint64_t x70;
uint64_t x71;
uint64_t x72;
uint64_t x73;
fiat_curve25519_solinas_uint1 x74;
uint64_t x75;
fiat_curve25519_solinas_uint1 x76;
uint64_t x77;
fiat_curve25519_solinas_uint1 x78;
uint64_t x79;
uint64_t x80;
fiat_curve25519_solinas_uint1 x81;
uint64_t x82;
fiat_curve25519_solinas_uint1 x83;
uint64_t x84;
fiat_curve25519_solinas_uint1 x85;
uint64_t x86;
fiat_curve25519_solinas_uint1 x87;
uint64_t x88;
uint64_t x89;
uint64_t x90;
uint64_t x91;
fiat_curve25519_solinas_uint1 x92;
uint64_t x93;
fiat_curve25519_solinas_uint1 x94;
uint64_t x95;
fiat_curve25519_solinas_uint1 x96;
uint64_t x97;
fiat_curve25519_solinas_uint1 x98;
uint64_t x99;
uint64_t x100;
fiat_curve25519_solinas_uint1 x101;
fiat_curve25519_solinas_mulx_u64(&x1, &x2, (arg1[0]), (arg1[3]));
fiat_curve25519_solinas_mulx_u64(&x3, &x4, (arg1[0]), (arg1[2]));
fiat_curve25519_solinas_mulx_u64(&x5, &x6, (arg1[0]), (arg1[1]));
fiat_curve25519_solinas_mulx_u64(&x7, &x8, (arg1[3]), (arg1[2]));
fiat_curve25519_solinas_mulx_u64(&x9, &x10, (arg1[3]), (arg1[1]));
fiat_curve25519_solinas_addcarryx_u64(&x11, &x12, 0x0, x6, x3);
fiat_curve25519_solinas_addcarryx_u64(&x13, &x14, x12, x4, x1);
fiat_curve25519_solinas_addcarryx_u64(&x15, &x16, x14, x2, x9);
fiat_curve25519_solinas_addcarryx_u64(&x17, &x18, x16, x10, x7);
x19 = (x18 + x8);
fiat_curve25519_solinas_mulx_u64(&x20, &x21, (arg1[1]), (arg1[2]));
fiat_curve25519_solinas_addcarryx_u64(&x22, &x23, 0x0, x13, x20);
fiat_curve25519_solinas_addcarryx_u64(&x24, &x25, x23, x15, x21);
fiat_curve25519_solinas_addcarryx_u64(&x26, &x27, x25, x17, 0x0);
fiat_curve25519_solinas_addcarryx_u64(&x28, &x29, x27, x19, 0x0);
fiat_curve25519_solinas_addcarryx_u64(&x30, &x31, 0x0, x5, x5);
fiat_curve25519_solinas_addcarryx_u64(&x32, &x33, x31, x11, x11);
fiat_curve25519_solinas_addcarryx_u64(&x34, &x35, x33, x22, x22);
fiat_curve25519_solinas_addcarryx_u64(&x36, &x37, x35, x24, x24);
fiat_curve25519_solinas_addcarryx_u64(&x38, &x39, x37, x26, x26);
fiat_curve25519_solinas_addcarryx_u64(&x40, &x41, x39, x28, x28);
x42 = (((uint64_t)x41 + x29) + (uint64_t)x29);
fiat_curve25519_solinas_mulx_u64(&x43, &x44, (arg1[3]), (arg1[3]));
fiat_curve25519_solinas_mulx_u64(&x45, &x46, (arg1[2]), (arg1[2]));
fiat_curve25519_solinas_mulx_u64(&x47, &x48, (arg1[1]), (arg1[1]));
fiat_curve25519_solinas_mulx_u64(&x49, &x50, (arg1[0]), (arg1[0]));
fiat_curve25519_solinas_addcarryx_u64(&x51, &x52, 0x0, x30, x50);
fiat_curve25519_solinas_addcarryx_u64(&x53, &x54, x52, x32, x47);
fiat_curve25519_solinas_addcarryx_u64(&x55, &x56, x54, x34, x48);
fiat_curve25519_solinas_addcarryx_u64(&x57, &x58, x56, x36, x45);
fiat_curve25519_solinas_addcarryx_u64(&x59, &x60, x58, x38, x46);
fiat_curve25519_solinas_addcarryx_u64(&x61, &x62, x60, x40, x43);
fiat_curve25519_solinas_addcarryx_u64(&x63, &x64, x62, x42, x44);
fiat_curve25519_solinas_mulx_u64(&x65, &x66, UINT8_C(0x26), x63);
fiat_curve25519_solinas_mulx_u64(&x67, &x68, UINT8_C(0x26), x61);
fiat_curve25519_solinas_mulx_u64(&x69, &x70, UINT8_C(0x26), x59);
fiat_curve25519_solinas_mulx_u64(&x71, &x72, UINT8_C(0x26), x57);
fiat_curve25519_solinas_addcarryx_u64(&x73, &x74, 0x0, x51, x69);
fiat_curve25519_solinas_addcarryx_u64(&x75, &x76, x74, x53, x67);
fiat_curve25519_solinas_addcarryx_u64(&x77, &x78, x76, x55, x65);
x79 = (x78 + x66);
fiat_curve25519_solinas_addcarryx_u64(&x80, &x81, 0x0, x49, x71);
fiat_curve25519_solinas_addcarryx_u64(&x82, &x83, x81, x73, x72);
fiat_curve25519_solinas_addcarryx_u64(&x84, &x85, x83, x75, x70);
fiat_curve25519_solinas_addcarryx_u64(&x86, &x87, x85, x77, x68);
x88 = (x87 + x79);
fiat_curve25519_solinas_mulx_u64(&x89, &x90, UINT8_C(0x26), x88);
fiat_curve25519_solinas_addcarryx_u64(&x91, &x92, 0x0, x80, x89);
fiat_curve25519_solinas_addcarryx_u64(&x93, &x94, x92, x82, 0x0);
fiat_curve25519_solinas_addcarryx_u64(&x95, &x96, x94, x84, 0x0);
fiat_curve25519_solinas_addcarryx_u64(&x97, &x98, x96, x86, 0x0);
fiat_curve25519_solinas_cmovznz_u64(&x99, x98, 0x0, UINT8_C(0x26));
fiat_curve25519_solinas_addcarryx_u64(&x100, &x101, 0x0, x99, x91);
out1[0] = x100;
out1[1] = x93;
out1[2] = x95;
out1[3] = x97;
}