#include "crypto_asm_hidden.h" // linker define fe25519_nsquare /* Assembly for feedback field squaring */ .p2align 4 ASM_HIDDEN _CRYPTO_SHARED_NAMESPACE(fe25519_nsquare) .globl _CRYPTO_SHARED_NAMESPACE(fe25519_nsquare) ASM_HIDDEN CRYPTO_SHARED_NAMESPACE(fe25519_nsquare) .globl CRYPTO_SHARED_NAMESPACE(fe25519_nsquare) _CRYPTO_SHARED_NAMESPACE(fe25519_nsquare): CRYPTO_SHARED_NAMESPACE(fe25519_nsquare): sub sp, sp, #112 stp x19, x20, [sp] stp x21, x22, [sp, #16] stp x23, x24, [sp, #32] stp x25, x26, [sp, #48] stp x27, x28, [sp, #64] stp x29, x30, [sp, #80] str x0, [sp, #96] subs w29, w2, #1 ldp w13, w17, [x1, #0] ldp w14, w18, [x1, #8] ldp w15, w10, [x1, #16] ldp w16, w11, [x1, #24] ldr w12, [x1, #32] mov w30, #1216 .L: add w20, w10, w10 add w21, w11, w11 add w22, w12, w12 add w23, w13, w13 add w24, w14, w14 add w25, w15, w15 add w26, w16, w16 add w27, w17, w17 umull x0, w10, w10 umull x1, w20, w11 umull x2, w20, w12 umull x3, w20, w13 umull x4, w20, w14 umull x5, w20, w15 umull x6, w20, w16 umull x7, w20, w17 umull x8, w20, w18 umaddl x2, w11, w11, x2 umaddl x3, w21, w12, x3 umaddl x4, w21, w13, x4 umaddl x5, w21, w14, x5 umaddl x6, w21, w15, x6 umaddl x7, w21, w16, x7 umaddl x8, w21, w17, x8 umull x9, w21, w18 umaddl x4, w12, w12, x4 umaddl x5, w22, w13, x5 umaddl x6, w22, w14, x6 umaddl x7, w22, w15, x7 umaddl x8, w22, w16, x8 umaddl x9, w22, w17, x9 umull x10, w22, w18 umaddl x6, w13, w13, x6 umaddl x7, w23, w14, x7 umaddl x8, w23, w15, x8 umaddl x9, w23, w16, x9 umaddl x10, w23, w17, x10 umull x11, w23, w18 umaddl x8, w14, w14, x8 umaddl x9, w24, w15, x9 umaddl x10, w24, w16, x10 umaddl x11, w24, w17, x11 umull x12, w24, w18 umaddl x10, w15, w15, x10 umaddl x11, w25, w16, x11 umaddl x12, w25, w17, x12 umull x13, w25, w18 add x10, x10, x9, lsr #29 and w9, w9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and w10, w10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 umaddl x12, w16, w16, x12 umaddl x13, w26, w17, x13 umull x14, w26, w18 add x12, x12, x11, lsr #29 and w11, w11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and w12, w12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 umaddl x14, w17, w17, x14 umull x15, w27, w18 add x14, x14, x13, lsr #29 and w13, w13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and w14, w14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 umull x16, w18, w18 add x16, x16, x15, lsr #29 and w15, w15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and w16, w16, #0x1fffffff umull x16, w16, w30 add x7, x7, x16 umull x9, w9, w30 add x8, x8, x9 add x5, x5, x4, lsr #29 and x4, x4, #0x1fffffff add x1, x1, x0, lsr #29 and x0, x0, #0x1fffffff add x6, x6, x5, lsr #29 and x5, x5, #0x1fffffff add x2, x2, x1, lsr #29 and x1, x1, #0x1fffffff add x7, x7, x6, lsr #29 and x16, x6, #0x1fffffff add x3, x3, x2, lsr #29 and x12, x2, #0x1fffffff add x8, x8, x7, lsr #29 and x17, x7, #0x1fffffff add x4, x4, x3, lsr #29 and x13, x3, #0x1fffffff bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x18, x8, #0x7fffff add x15, x5, x4, lsr #29 and x14, x4, #0x1fffffff add x11, x1, x0, lsr #29 and x10, x0, #0x1fffffff subs w29, w29, #1 bpl .L ldr x0, [sp, #96] stp w13, w17, [x0, #0] stp w14, w18, [x0, #8] stp w15, w10, [x0, #16] stp w16, w11, [x0, #24] str w12, [x0, #32] ldp x29, x30, [sp, #80] ldp x27, x28, [sp, #64] ldp x25, x26, [sp, #48] ldp x23, x24, [sp, #32] ldp x21, x22, [sp, #16] ldp x19, x20, [sp, #0] add sp, sp, #112 ret .section .note.GNU-stack,"",@progbits