222   uint32_t C;  in multiprecision_fast_mod_P256()  local
237   C = a[13];  in multiprecision_fast_mod_P256()
238   C += a[14];  in multiprecision_fast_mod_P256()
239   UC = (C < a[14]);  in multiprecision_fast_mod_P256()
240   C += a[15];  in multiprecision_fast_mod_P256()
241   UC += (C < a[15]);  in multiprecision_fast_mod_P256()
259   B = C;  in multiprecision_fast_mod_P256()
318   U -= (c[2] < C);  in multiprecision_fast_mod_P256()
320   c[2] -= C;  in multiprecision_fast_mod_P256()
380   c[5] += C;  in multiprecision_fast_mod_P256()
381   U += (c[5] < C);  in multiprecision_fast_mod_P256()
401   c[6] += C;  in multiprecision_fast_mod_P256()
402   U += (c[6] < C);  in multiprecision_fast_mod_P256()
454   uint32_t C[KEY_LENGTH_DWORDS_P256 + 1];  in multiprecision_inv_mod()  local
458   multiprecision_init(C);  in multiprecision_inv_mod()
477       if (!(C[0] & 0x01))  // C is even  in multiprecision_inv_mod()
479         multiprecision_rshift(C, C);  in multiprecision_inv_mod()
481         C[KEY_LENGTH_DWORDS_P256] = multiprecision_add(C, C, modp);  // C =C+p  in multiprecision_inv_mod()
482         multiprecision_rshift(C, C);  in multiprecision_inv_mod()
483         C[KEY_LENGTH_DWORDS_P256 - 1] |= (C[KEY_LENGTH_DWORDS_P256] << 31);  in multiprecision_inv_mod()
489       multiprecision_sub_mod(A, A, C, modp);  in multiprecision_inv_mod()
492       multiprecision_sub_mod(C, C, A, modp);  in multiprecision_inv_mod()
496   if (multiprecision_compare(C, modp) >= 0)  in multiprecision_inv_mod()
497     multiprecision_sub(aminus, C, modp);  in multiprecision_inv_mod()
499     multiprecision_copy(aminus, C);  in multiprecision_inv_mod()