-rw-r--r-- 134702 lib25519-20260614/crypto_nP/montgomery25519/arm64-uma9l/mladder.S raw
#include "crypto_asm_hidden.h" // linker define mladder /* Assembly for Montgomery ladder */ .p2align 4 ASM_HIDDEN _CRYPTO_SHARED_NAMESPACE(mladder) .globl _CRYPTO_SHARED_NAMESPACE(mladder) ASM_HIDDEN CRYPTO_SHARED_NAMESPACE(mladder) .globl CRYPTO_SHARED_NAMESPACE(mladder) _CRYPTO_SHARED_NAMESPACE(mladder): CRYPTO_SHARED_NAMESPACE(mladder): sub sp, sp, #640 stp x19, x20, [sp, #0] 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] stp x0, x2, [sp, #96] // clamp scalar ldr x3, [x2, #0] and x3, x3, #0xfffffffffffffff8 str x3, [x2, #0] ldr x4, [x2, #24] orr x4, x4, #0x4000000000000000 str x4, [x2, #24] // XP ldp x4, x5, [x1, #0] ldp x6, x7, [x1, #16] // X1 ← XP and w8, w4, #0x1fffffff ubfx x9, x4, #29, #29 lsr x10, x4, #58 orr w10, w10, w5, lsl #6 and w10, w10, #0x1fffffff ubfx x11, x5, #23, #29 lsr x12, x5, #52 orr w12, w12, w6, lsl #12 and w12, w12, #0x1fffffff ubfx x13, x6, #17, #29 lsr x14, x6, #46 orr w14, w14, w7, lsl #18 and w14, w14, #0x1fffffff ubfx x15, x7, #11, #29 ubfx x16, x7, #40, #23 // store X1 add x0, sp, #160 stp w11, w15, [x0, #0] stp w12, w16, [x0, #8] stp w13, w8, [x0, #16] stp w14, w9, [x0, #24] stp w10, wzr, [x0, #32] // X3 ← X1 add x0, sp, #280 stp w11, w15, [x0, #0] stp w12, w16, [x0, #8] stp w13, w8, [x0, #16] stp w14, w9, [x0, #24] stp w10, wzr, [x0, #32] // X2 ← 1 mov x10, #0x1<<32 stp xzr, xzr, [sp, #200] stp x10, xzr, [sp, #216] str xzr, [sp, 232] // Z2 ← 0 stp xzr, xzr, [sp, #240] stp xzr, xzr, [sp, #256] str xzr, [sp, #272] // Z3 ← 1 stp xzr, xzr, [sp, #320] stp x10, xzr, [sp, #336] str xzr, [sp, #352] movz x21, #0xfffe movk x21, #0x3fff, lsl 16 movk x21, #0xfffe, lsl 32 movk x21, #0x3fff, lsl 48 movz x22, #0xfffe movk x22, #0x3fff, lsl 16 movk x22, #0xfffe, lsl 32 movk x22, #0x00ff, lsl 48 movz x23, #0xfffe movk x23, #0x3fff, lsl 16 movk x23, #0xffda, lsl 32 movk x23, #0x3fff, lsl 48 movz x24, #0xfffe movk x24, #0x3fff, lsl 16 stp x21, x22, [sp, #128] stp x23, x24, [sp, #144] mov w30, #1216 // pre-process for the bit n[254] = 1 // T2 = 2X3 ldp x13, x14, [sp, #280] ldp x15, x16, [sp, #296] ldr x12, [sp, #312] add x23, x13, x13 add x24, x14, x14 add x25, x15, x15 add x26, x16, x16 add x22, x12, x12 stp x23, x24, [sp, #400] stp x25, x26, [sp, #416] str x22, [sp, #432] // T1 = 4X3 = 2T2 add x23, x23, x23 add x24, x24, x24 add x25, x25, x25 add x26, x26, x26 add x22, x22, x22 stp x23, x24, [sp, #360] stp x25, x26, [sp, #376] str x22, [sp, #392] // T = X3^2 + 1 lsr x17, x13, #32 lsr x18, x14, #32 lsr x10, x15, #32 lsr x11, x16, #32 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x0, x0, #1 add x11, x11, x10, lsr #29 and x10, x10, #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 x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #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 x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 // T3 ← (X3 + 1)^2 = X3^2 + 1 + 2X3 ldp x13, x14, [sp, #400] ldp x15, x16, [sp, #416] ldr x12, [sp, #432] add x23, x3, x13 add x24, x4, x14 add x25, x5, x15 add x26, x6, x16 add x22, x2, x12 stp x23, x24, [sp, #440] stp x25, x26, [sp, #456] str x22, [sp, #472] // T4 ← (X3 + 1)^2 = X3^2 + 1 - 2X3 movz x0, #0xfffc movk x0, #0x7fff, lsl 16 movk x0, #0xfffc, lsl 32 movk x0, #0x7fff, lsl 48 movz x7, #0xfffc movk x7, #0x7fff, lsl 16 movk x7, #0xfffc, lsl 32 movk x7, #0x01ff, lsl 48 movz x8, #0xfffc movk x8, #0x7fff, lsl 16 movk x8, #0xffb4, lsl 32 movk x8, #0x7fff, lsl 48 movz x9, #0xfffc movk x9, #0x7fff, lsl 16 add x23, x3, x0 sub x23, x23, x13 lsr x27, x23, #32 mov w23, w23 add x24, x4, x7 sub x24, x24, x14 lsr x28, x24, #32 mov w24, w24 add x25, x5, x8 sub x25, x25, x15 lsr x20, x25, #32 mov w25, w25 add x26, x6, x0 sub x26, x26, x16 lsr x21, x26, #32 mov w26, w26 add x22, x2, x9 sub x22, x22, x12 add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff add x26, x26, x25, lsr #29 and x25, x25, 0x1fffffff add x22, x22, x21, lsr #29 and x21, x21, 0x1fffffff add x27, x27, x26, lsr #29 and x26, x26, 0x1fffffff add x23, x23, x22, lsr #29 and x22, x22, 0x1fffffff add x28, x28, x27, lsr #29 and x27, x27, 0x1fffffff add x24, x24, x23, lsr #29 and x23, x23, 0x1fffffff bic x7, x28, #0x7fffff add x20, x20, x7, lsr #23 add x20, x20, x7, lsr #22 add x20, x20, x7, lsr #19 and x28, x28, #0x7fffff add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff add x0, sp, #480 stp w23, w27, [x0, #0] stp w24, w28, [x0, #8] stp w25, w20, [x0, #16] stp w26, w21, [x0, #24] str w22, [x0, #32] // T2 ← ((A + 2)/4) · T1 + T4 add x0, sp, #360 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] movz x0, #0xdb42 movk x0, #0x0001, lsl 16 umaddl x20, w10, w0, x20 umaddl x21, w11, w0, x21 umaddl x22, w12, w0, x22 umaddl x23, w13, w0, x23 umaddl x24, w14, w0, x24 umaddl x25, w15, w0, x25 umaddl x26, w16, w0, x26 umaddl x27, w17, w0, x27 umaddl x28, w18, w0, x28 add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff add x26, x26, x25, lsr #29 and x25, x25, 0x1fffffff add x22, x22, x21, lsr #29 and x21, x21, 0x1fffffff add x27, x27, x26, lsr #29 and x26, x26, 0x1fffffff add x23, x23, x22, lsr #29 and x22, x22, 0x1fffffff add x28, x28, x27, lsr #29 and x27, x27, 0x1fffffff add x24, x24, x23, lsr #29 and x23, x23, 0x1fffffff bfi x23, x27, #32, #29 bic x7, x28, #0x7fffff add x20, x20, x7, lsr #23 add x20, x20, x7, lsr #22 add x20, x20, x7, lsr #19 and x28, x28, #0x7fffff add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff bfi x24, x28, #32, #23 add x21, x21, x20, lsr #29 bfi x26, x21, #32, #30 and x20, x20, 0x1fffffff bfi x25, x20, #32, #29 stp x23, x24, [sp, #400] stp x25, x26, [sp, #416] str x22, [sp, #432] // X2 ← T3 · T4 add x0, sp, #440 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] ldp w23, w27, [x0, #40] ldp w24, w28, [x0, #48] ldp w25, w20, [x0, #56] ldp w26, w21, [x0, #64] ldr w22, [x0, #72] umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #200] stp x5, x6, [sp, #216] str x2, [sp, #232] // Z2 ← T1 · T2 add x0, sp, #360 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] ldp w23, w27, [x0, #40] ldp w24, w28, [x0, #48] ldp w25, w20, [x0, #56] ldp w26, w21, [x0, #64] ldr w22, [x0, #72] umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #240] stp x5, x6, [sp, #256] str x2, [sp, #272] mov x4, #253 mov x5, #1 stp x4, x5, [sp, #112] .L0: /* * Montgomery ladder step * * T1 ← X2 + Z2 * T2 ← X2 - Z2 * T3 ← X3 + Z3 * T4 ← X3 - Z3 * * bit ← n[i] * T6 = CSelect(T2,T4,bit,prevbit): if (bit <> prevbit) {T6 = T4} else {T6 = T2} * T5 = CSelect(T1,T3,bit,prevbit): if (bit <> prevbit) {T5 = T3} else {T5 = T1} * prevbit ← bit * * X3 ← T1 · T4 * Z3 ← T2 · T3 * T6 ← T6^2 * T5 ← T5^2 * T8 ← X3 + Z3 * T7 ← X3 - Z3 * T1 ← T7^2 * X3 ← T8^2 * T7 ← T5 - T6 * T8 ← ((A + 2)/4) · T7 * T8 ← T8 + T6 * X2 ← T5 · T6 * Z3 ← T1 · X1 * Z2 ← T7 · T8 * */ // T1 = X2 + Z2, T2 = X2 - Z2 ldp x13, x14, [sp, #200] ldp x15, x16, [sp, #216] ldr x12, [sp, #232] ldp x10, x11, [sp, #240] ldp x17, x18, [sp, #256] ldr x19, [sp, #272] add x0, x13, x10 add x1, x14, x11 add x2, x15, x17 add x3, x16, x18 add x4, x12, x19 stp x0, x1, [sp, #360] stp x2, x3, [sp, #376] str x4, [sp, #392] ldp x8, x9, [sp, #128] add x13, x8, x13 sub x13, x13, x10 add x16, x8, x16 sub x16, x16, x18 add x14, x9, x14 sub x14, x14, x11 ldp x8, x9, [sp, #144] add x15, x8, x15 sub x15, x15, x17 add x12, x9, x12 sub x12, x12, x19 stp x13, x14, [sp, #400] stp x15, x16, [sp, #416] str x12, [sp, #432] // T4 = X3 - Z3, T3 = X3 + Z3 ldp x20, x21, [sp, #280] ldp x27, x28, [sp, #296] ldr x29, [sp, #312] ldp x23, x24, [sp, #320] ldp x25, x26, [sp, 336] ldr x22, [sp, #352] ldp x8, x9, [sp, #128] add x10, x8, x20 add x18, x8, x28 add x11, x9, x21 ldp x8, x9, [sp, #144] add x17, x8, x27 add x19, x9, x29 add x5, x20, x23 sub x23, x10, x23 add x6, x21, x24 sub x24, x11, x24 add x7, x27, x25 sub x25, x17, x25 add x8, x28, x26 sub x26, x18, x26 add x9, x29, x22 sub x22, x19, x22 stp x5, x6, [sp, #440] stp x7, x8, [sp, #456] str x9, [sp, #472] // get current scalar bit ldr x0, [sp, #104] ldp x3, x4, [sp, #112] bic x1, x3, #0x3f lsr x1, x1, #3 ldr x2, [x0, x1] lsr x2, x2, x3 and w2, w2, #1 subs w3, w3, #1 stp x3, x2, [sp, #112] // compare current with previous scalar bit cmp w2, w4 ldp x0, x1, [sp, #360] ldp x2, x3, [sp, #376] ldr x4, [sp, #392] // T5 = CSelect(T1,T3,b) csel x10, x5, x0, ne csel x11, x6, x1, ne csel x17, x7, x2, ne csel x18, x8, x3, ne csel x19, x9, x4, ne stp x10, x11, [sp, #480] stp x17, x18, [sp, 496] str x19, [sp, #512] // T6 = CSelect(T2,T4,b) csel x3, x23, x13, ne csel x4, x24, x14, ne csel x5, x25, x15, ne csel x6, x26, x16, ne csel x2, x22, x12, ne add x10, sp, #520 stp x3, x4, [x10, #0] stp x5, x6, [x10, #16] str x2, [x10, #32] // X3 ← T1 · T4 add x0, sp, #360 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] lsr x27, x23, #32 lsr x28, x24, #32 lsr x20, x25, #32 lsr x21, x26, #32 umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #280] stp x5, x6, [sp, #296] str x2, [sp, #312] // Z3 ← T2 · T3 add x0, sp, #400 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] ldp w23, w27, [x0, #40] ldp w24, w28, [x0, #48] ldp w25, w20, [x0, #56] ldp w26, w21, [x0, #64] ldr w22, [x0, #72] umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #320] stp x5, x6, [sp, #336] str x2, [sp, #352] // T6 ← T6^2 add x0, sp, #520 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] 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 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 umaddl x12, w16, w16, x12 umaddl x13, w26, w17, x13 umull x24, w26, w18 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 umaddl x24, w17, w17, x24 umull x15, w27, w18 add x24, x24, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x24, lsr #29 and x24, x24, #0x1fffffff umull x24, w24, w30 add x5, x5, x24 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff umaddl x7, w23, w14, x7 add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 add x10, sp, #520 stp x3, x4, [x10, #0] stp x5, x6, [x10, #16] str x2, [x10, #32] // T5 ← T5^2 add x0, sp, #480 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #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 x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #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 x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #480] stp x5, x6, [sp, #496] str x2, [sp, #512] // X3 ldp x13, x14, [sp, #280] ldp x15, x16, [sp, #296] ldr x12, [sp, #312] // Z3 ldp x23, x24, [sp, #320] ldp x25, x26, [sp, #336] ldr x22, [sp, #352] // T8 ← X3 + Z3 add x10, x13, x23 add x11, x14, x24 add x17, x15, x25 add x18, x16, x26 add x19, x12, x22 add x20, sp, #560 stp x10, x11, [x20, #0] stp x17, x18, [x20, #16] str x19, [x20, #32] // T7 ← X3 - Z3 ldp x1, x2, [sp, #128] ldp x3, x4, [sp, #144] add x13, x13, x1 sub x13, x13, x23 add x14, x14, x2 sub x14, x14, x24 add x15, x15, x3 sub x15, x15, x25 add x16, x16, x1 sub x16, x16, x26 add x12, x12, x4 sub x12, x12, x22 // T1 ← T7^2 lsr x17, x13, #32 lsr x18, x14, #32 lsr x10, x15, #32 lsr x11, x16, #32 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 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 umaddl x12, w16, w16, x12 umaddl x13, w26, w17, x13 umull x24, w26, w18 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 umaddl x24, w17, w17, x24 umull x15, w27, w18 add x24, x24, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x24, lsr #29 and x24, x24, #0x1fffffff umull x24, w24, w30 add x5, x5, x24 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff umaddl x7, w23, w14, x7 add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #360] stp x5, x6, [sp, #376] str x2, [sp, #392] // X3 ← T8^2 add x0, sp, #560 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #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 x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #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 x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #280] stp x5, x6, [sp, #296] str x2, [sp, #312] // T7 ← T5 - T6 ldp x13, x14, [sp, #480] ldp x15, x16, [sp, #496] ldr x12, [sp, #512] add x11, sp, #520 ldp x3, x4, [x11, #0] ldp x5, x6, [x11, #16] ldr x2, [x11, #32] ldp x21, x22, [sp, #128] ldp x23, x24, [sp, #144] add x13, x13, x21 sub x13, x13, x3 add x14, x14, x22 sub x14, x14, x4 add x15, x15, x23 sub x15, x15, x5 add x16, x16, x21 sub x16, x16, x6 add x12, x12, x24 sub x12, x12, x2 add x11, sp, #600 stp x13, x14, [x11, #0] stp x15, x16, [x11, #16] str x12, [x11, #32] lsr x17, x13, #32 lsr x18, x14, #32 lsr x10, x15, #32 lsr x11, x16, #32 // T8 ← ((A + 2)/4) · T7 + T6 lsr x7, x3, #32 lsr x8, x4, #32 lsr x0, x5, #32 lsr x1, x6, #32 mov w3, w3 mov w4, w4 mov w5, w5 mov w6, w6 movz x9, #0xdb42 movk x9, #0x0001, lsl 16 umaddl x20, w10, w9, x0 umaddl x21, w11, w9, x1 umaddl x22, w12, w9, x2 umaddl x23, w13, w9, x3 umaddl x24, w14, w9, x4 umaddl x25, w15, w9, x5 umaddl x26, w16, w9, x6 umaddl x27, w17, w9, x7 umaddl x28, w18, w9, x8 add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff add x26, x26, x25, lsr #29 and x25, x25, 0x1fffffff add x22, x22, x21, lsr #29 and x21, x21, 0x1fffffff add x27, x27, x26, lsr #29 and x26, x26, 0x1fffffff add x23, x23, x22, lsr #29 and x22, x22, 0x1fffffff add x28, x28, x27, lsr #29 and x27, x27, 0x1fffffff add x24, x24, x23, lsr #29 and x23, x23, 0x1fffffff bfi x23, x27, #32, #29 bic x7, x28, #0x7fffff add x20, x20, x7, lsr #23 add x20, x20, x7, lsr #22 add x20, x20, x7, lsr #19 and x28, x28, #0x7fffff add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff bfi x24, x28, #32, #23 add x21, x21, x20, lsr #29 bfi x26, x21, #32, #30 and x20, x20, 0x1fffffff bfi x25, x20, #32, #29 add x10, sp, #560 stp x23, x24, [x10, #0] stp x25, x26, [x10, #16] str x22, [x10, #32] // X2 ← T5 · T6 add x0, sp, #480 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] ldp w23, w27, [x0, #40] ldp w24, w28, [x0, #48] ldp w25, w20, [x0, #56] ldp w26, w21, [x0, #64] ldr w22, [x0, #72] umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #200] stp x5, x6, [sp, #216] str x2, [sp, #232] // Z3 ← T1 · X1 add x0, sp, #160 ldp w13, w17, [x0, #200] ldp w14, w18, [x0, #208] ldp w15, w10, [x0, #216] ldp w16, w11, [x0, #224] ldr w12, [x0, #232] ldp w23, w27, [x0, #0] ldp w24, w28, [x0, #8] ldp w25, w20, [x0, #16] ldp w26, w21, [x0, #24] ldr w22, [x0, #32] umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #320] stp x5, x6, [sp, #336] str x2, [sp, #352] // Z2 ← T7 · T8 add x0, sp, #560 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] ldp w23, w27, [x0, #40] ldp w24, w28, [x0, #48] ldp w25, w20, [x0, #56] ldp w26, w21, [x0, #64] ldr w22, [x0, #72] umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #240] stp x5, x6, [sp, #256] str x2, [sp, #272] ldr w1, [sp, #112] cmp w1, #3 bge .L0 ldr w1, [sp, #120] cmp w1, wzr // Z2 = CSelect(Z2,Z3,0,prevbit) ldp x13, x14, [sp, #320] ldp x15, x16, [sp, #336] ldr x12, [sp, #352] csel x13, x13, x3, ne csel x14, x14, x4, ne csel x15, x15, x5, ne csel x16, x16, x6, ne csel x12, x12, x2, ne // X2 = CSelect(X2,X3,0,prevbit) ldp x10, x11, [sp, #200] ldp x17, x18, [sp, #216] ldr x19, [sp, #232] ldp x20, x22, [sp, #280] ldp x24, x26, [sp, #296] ldr x28, [sp, #312] csel x10, x20, x10, ne csel x11, x22, x11, ne csel x17, x24, x17, ne csel x18, x26, x18, ne csel x19, x28, x19, ne // post-process for the bit n[2] = 0 // T1 ← X2 + Z2, T2 ← X2 - Z2 add x0, x10, x13 add x2, x11, x14 add x4, x17, x15 add x6, x18, x16 add x8, x19, x12 stp x0, x2, [sp, #360] stp x4, x6, [sp, #376] str x8, [sp, #392] ldp x6, x7, [sp, #128] ldp x8, x9, [sp, #144] add x10, x6, x10 sub x13, x10, x13 add x11, x7, x11 sub x14, x11, x14 add x17, x8, x17 sub x15, x17, x15 add x18, x6, x18 sub x16, x18, x16 add x19, x9, x19 sub x12, x19, x12 // T2 ← T2^2 lsr x17, x13, #32 lsr x18, x14, #32 lsr x10, x15, #32 lsr x11, x16, #32 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 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 umaddl x12, w16, w16, x12 umaddl x13, w26, w17, x13 umull x24, w26, w18 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 umaddl x24, w17, w17, x24 umull x15, w27, w18 add x24, x24, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x24, lsr #29 and x24, x24, #0x1fffffff umull x24, w24, w30 add x5, x5, x24 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff umaddl x7, w23, w14, x7 add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #400] stp x5, x6, [sp, #416] str x2, [sp, #432] // T1 ← T1^2 add x0, sp, #360 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #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 x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #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 x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #360] stp x5, x6, [sp, #376] str x2, [sp, #392] // T3 ← T1 - T2 ldp x23, x24, [sp, #400] ldp x25, x26, [sp, #416] ldr x22, [sp, #432] ldp x0, x1, [sp, #128] ldp x7, x8, [sp, #144] add x13, x3, x0 sub x13, x13, x23 add x14, x4, x1 sub x14, x14, x24 add x15, x5, x7 sub x15, x15, x25 add x16, x6, x0 sub x16, x16, x26 add x12, x2, x8 sub x12, x12, x22 lsr x17, x13, #32 lsr x18, x14, #32 lsr x10, x15, #32 lsr x11, x16, #32 // T4 ← ((A + 2)/4) · T3 + T2 lsr x27, x23, #32 lsr x28, x24, #32 lsr x20, x25, #32 lsr x21, x26, #32 mov w23, w23 mov w24, w24 mov w25, w25 mov w26, w26 movz x0, #0xdb42 movk x0, #0x0001, lsl 16 umaddl x20, w10, w0, x20 umaddl x21, w11, w0, x21 umaddl x22, w12, w0, x22 umaddl x23, w13, w0, x23 umaddl x24, w14, w0, x24 umaddl x25, w15, w0, x25 umaddl x26, w16, w0, x26 umaddl x27, w17, w0, x27 umaddl x28, w18, w0, x28 add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff add x26, x26, x25, lsr #29 and x25, x25, 0x1fffffff add x22, x22, x21, lsr #29 and x21, x21, 0x1fffffff add x27, x27, x26, lsr #29 and x26, x26, 0x1fffffff add x23, x23, x22, lsr #29 and x22, x22, 0x1fffffff add x28, x28, x27, lsr #29 and x27, x27, 0x1fffffff add x24, x24, x23, lsr #29 and x23, x23, 0x1fffffff bic x7, x28, #0x7fffff add x20, x20, x7, lsr #23 add x20, x20, x7, lsr #22 add x20, x20, x7, lsr #19 and x28, x28, #0x7fffff add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff // Z2 ← T3 · T4 umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #240] stp x5, x6, [sp, #256] str x2, [sp, #272] // X2 ← T1 · T2 add x0, sp, #360 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] ldp w23, w27, [x0, #40] ldp w24, w28, [x0, #48] ldp w25, w20, [x0, #56] ldp w26, w21, [x0, #64] ldr w22, [x0, #72] umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 // post-process for the bit n[1] = 0 // T1 ← X2 + Z2, T2 ← X2 - Z2 ldp x13, x14, [sp, #240] ldp x15, x16, [sp, #256] ldr x12, [sp, #272] add x0, x3, x13 add x1, x4, x14 add x7, x5, x15 add x8, x6, x16 add x9, x2, x12 stp x0, x1, [sp, #360] stp x7, x8, [sp, #376] str x9, [sp, #392] ldp x0, x1, [sp, #128] ldp x7, x8, [sp, #144] add x10, x0, x3 sub x13, x10, x13 add x11, x1, x4 sub x14, x11, x14 add x17, x7, x5 sub x15, x17, x15 add x18, x0, x6 sub x16, x18, x16 add x19, x8, x2 sub x12, x19, x12 // T2 ← T2^2 lsr x17, x13, #32 lsr x18, x14, #32 lsr x10, x15, #32 lsr x11, x16, #32 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 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 umaddl x12, w16, w16, x12 umaddl x13, w26, w17, x13 umull x24, w26, w18 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 umaddl x24, w17, w17, x24 umull x15, w27, w18 add x24, x24, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x24, lsr #29 and x24, x24, #0x1fffffff umull x24, w24, w30 add x5, x5, x24 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff umaddl x7, w23, w14, x7 add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #400] stp x5, x6, [sp, #416] str x2, [sp, #432] // T1 ← T1^2 add x0, sp, #360 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #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 x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #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 x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #360] stp x5, x6, [sp, #376] str x2, [sp, #392] // T3 ← T1 - T2 ldp x23, x24, [sp, #400] ldp x25, x26, [sp, #416] ldr x22, [sp, #432] ldp x0, x1, [sp, #128] ldp x7, x8, [sp, #144] add x13, x3, x0 sub x13, x13, x23 add x14, x4, x1 sub x14, x14, x24 add x15, x5, x7 sub x15, x15, x25 add x16, x6, x0 sub x16, x16, x26 add x12, x2, x8 sub x12, x12, x22 lsr x17, x13, #32 lsr x18, x14, #32 lsr x10, x15, #32 lsr x11, x16, #32 // T4 ← ((A + 2)/4) · T3 + T2 lsr x27, x23, #32 lsr x28, x24, #32 lsr x20, x25, #32 lsr x21, x26, #32 mov w23, w23 mov w24, w24 mov w25, w25 mov w26, w26 movz x0, #0xdb42 movk x0, #0x0001, lsl 16 umaddl x20, w10, w0, x20 umaddl x21, w11, w0, x21 umaddl x22, w12, w0, x22 umaddl x23, w13, w0, x23 umaddl x24, w14, w0, x24 umaddl x25, w15, w0, x25 umaddl x26, w16, w0, x26 umaddl x27, w17, w0, x27 umaddl x28, w18, w0, x28 add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff add x26, x26, x25, lsr #29 and x25, x25, 0x1fffffff add x22, x22, x21, lsr #29 and x21, x21, 0x1fffffff add x27, x27, x26, lsr #29 and x26, x26, 0x1fffffff add x23, x23, x22, lsr #29 and x22, x22, 0x1fffffff add x28, x28, x27, lsr #29 and x27, x27, 0x1fffffff add x24, x24, x23, lsr #29 and x23, x23, 0x1fffffff bic x7, x28, #0x7fffff add x20, x20, x7, lsr #23 add x20, x20, x7, lsr #22 add x20, x20, x7, lsr #19 and x28, x28, #0x7fffff add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff // Z2 ← T3 · T4 umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #240] stp x5, x6, [sp, #256] str x2, [sp, #272] // X2 ← T1 · T2 add x0, sp, #360 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] ldp w23, w27, [x0, #40] ldp w24, w28, [x0, #48] ldp w25, w20, [x0, #56] ldp w26, w21, [x0, #64] ldr w22, [x0, #72] umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 // post-process for the bit n[0] = 0 // T1 ← X2 + Z2, T2 ← X2 - Z2 ldp x13, x14, [sp, #240] ldp x15, x16, [sp, #256] ldr x12, [sp, #272] add x0, x3, x13 add x1, x4, x14 add x7, x5, x15 add x8, x6, x16 add x9, x2, x12 stp x0, x1, [sp, #360] stp x7, x8, [sp, #376] str x9, [sp, #392] ldp x0, x1, [sp, #128] ldp x7, x8, [sp, #144] add x10, x0, x3 sub x13, x10, x13 add x11, x1, x4 sub x14, x11, x14 add x17, x7, x5 sub x15, x17, x15 add x18, x0, x6 sub x16, x18, x16 add x19, x8, x2 sub x12, x19, x12 // T2 ← T2^2 lsr x17, x13, #32 lsr x18, x14, #32 lsr x10, x15, #32 lsr x11, x16, #32 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 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 umaddl x12, w16, w16, x12 umaddl x13, w26, w17, x13 umull x24, w26, w18 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 umaddl x24, w17, w17, x24 umull x15, w27, w18 add x24, x24, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x24, lsr #29 and x24, x24, #0x1fffffff umull x24, w24, w30 add x5, x5, x24 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff umaddl x7, w23, w14, x7 add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #400] stp x5, x6, [sp, #416] str x2, [sp, #432] // T1 ← T1^2 add x0, sp, #360 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] 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 x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #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 x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #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 x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 umull x16, w18, w18 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #360] stp x5, x6, [sp, #376] str x2, [sp, #392] // T3 ← T1 - T2 ldp x23, x24, [sp, #400] ldp x25, x26, [sp, #416] ldr x22, [sp, #432] ldp x0, x1, [sp, #128] ldp x7, x8, [sp, #144] add x13, x3, x0 sub x13, x13, x23 add x14, x4, x1 sub x14, x14, x24 add x15, x5, x7 sub x15, x15, x25 add x16, x6, x0 sub x16, x16, x26 add x12, x2, x8 sub x12, x12, x22 lsr x17, x13, #32 lsr x18, x14, #32 lsr x10, x15, #32 lsr x11, x16, #32 // T4 ← ((A + 2)/4) · T3 + T2 lsr x27, x23, #32 lsr x28, x24, #32 lsr x20, x25, #32 lsr x21, x26, #32 mov w23, w23 mov w24, w24 mov w25, w25 mov w26, w26 movz x0, #0xdb42 movk x0, #0x0001, lsl 16 umaddl x20, w10, w0, x20 umaddl x21, w11, w0, x21 umaddl x22, w12, w0, x22 umaddl x23, w13, w0, x23 umaddl x24, w14, w0, x24 umaddl x25, w15, w0, x25 umaddl x26, w16, w0, x26 umaddl x27, w17, w0, x27 umaddl x28, w18, w0, x28 add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff add x26, x26, x25, lsr #29 and x25, x25, 0x1fffffff add x22, x22, x21, lsr #29 and x21, x21, 0x1fffffff add x27, x27, x26, lsr #29 and x26, x26, 0x1fffffff add x23, x23, x22, lsr #29 and x22, x22, 0x1fffffff add x28, x28, x27, lsr #29 and x27, x27, 0x1fffffff add x24, x24, x23, lsr #29 and x23, x23, 0x1fffffff bic x7, x28, #0x7fffff add x20, x20, x7, lsr #23 add x20, x20, x7, lsr #22 add x20, x20, x7, lsr #19 and x28, x28, #0x7fffff add x25, x25, x24, lsr #29 and x24, x24, 0x1fffffff add x21, x21, x20, lsr #29 and x20, x20, 0x1fffffff // Z2 ← T3 · T4 umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 stp x3, x4, [sp, #240] stp x5, x6, [sp, #256] str x2, [sp, #272] // X2 ← T1 · T2 add x0, sp, #360 ldp w13, w17, [x0, #0] ldp w14, w18, [x0, #8] ldp w15, w10, [x0, #16] ldp w16, w11, [x0, #24] ldr w12, [x0, #32] ldp w23, w27, [x0, #40] ldp w24, w28, [x0, #48] ldp w25, w20, [x0, #56] ldp w26, w21, [x0, #64] ldr w22, [x0, #72] umull x0, w10, w20 umull x1, w10, w21 umull x2, w10, w22 umull x3, w10, w23 umull x4, w10, w24 umull x5, w10, w25 umull x6, w10, w26 umull x7, w10, w27 umull x8, w10, w28 umaddl x1, w11, w20, x1 umaddl x2, w11, w21, x2 umaddl x3, w11, w22, x3 umaddl x4, w11, w23, x4 umaddl x5, w11, w24, x5 umaddl x6, w11, w25, x6 umaddl x7, w11, w26, x7 umaddl x8, w11, w27, x8 umull x9, w11, w28 umaddl x2, w12, w20, x2 umaddl x3, w12, w21, x3 umaddl x4, w12, w22, x4 umaddl x5, w12, w23, x5 umaddl x6, w12, w24, x6 umaddl x7, w12, w25, x7 umaddl x8, w12, w26, x8 umaddl x9, w12, w27, x9 umull x10, w12, w28 umaddl x3, w13, w20, x3 umaddl x4, w13, w21, x4 umaddl x5, w13, w22, x5 umaddl x6, w13, w23, x6 umaddl x7, w13, w24, x7 umaddl x8, w13, w25, x8 umaddl x9, w13, w26, x9 umaddl x10, w13, w27, x10 umull x11, w13, w28 umaddl x4, w14, w20, x4 umaddl x5, w14, w21, x5 umaddl x6, w14, w22, x6 umaddl x7, w14, w23, x7 umaddl x8, w14, w24, x8 umaddl x9, w14, w25, x9 umaddl x10, w14, w26, x10 umaddl x11, w14, w27, x11 umull x12, w14, w28 umaddl x5, w15, w20, x5 umaddl x6, w15, w21, x6 umaddl x7, w15, w22, x7 umaddl x8, w15, w23, x8 umaddl x9, w15, w24, x9 umaddl x10, w15, w25, x10 umaddl x11, w15, w26, x11 umaddl x12, w15, w27, x12 umull x13, w15, w28 umaddl x6, w16, w20, x6 umaddl x7, w16, w21, x7 umaddl x8, w16, w22, x8 umaddl x9, w16, w23, x9 umaddl x10, w16, w24, x10 umaddl x11, w16, w25, x11 umaddl x12, w16, w26, x12 umaddl x13, w16, w27, x13 umull x14, w16, w28 umaddl x7, w17, w20, x7 umaddl x8, w17, w21, x8 umaddl x9, w17, w22, x9 umaddl x10, w17, w23, x10 umaddl x11, w17, w24, x11 umaddl x12, w17, w25, x12 umaddl x13, w17, w26, x13 umaddl x14, w17, w27, x14 umull x15, w17, w28 umaddl x8, w18, w20, x8 umaddl x9, w18, w21, x9 umaddl x10, w18, w22, x10 umaddl x11, w18, w23, x11 umaddl x12, w18, w24, x12 umaddl x13, w18, w25, x13 umaddl x14, w18, w26, x14 umaddl x15, w18, w27, x15 umull x16, w18, w28 add x10, x10, x9, lsr #29 and x9, x9, #0x1fffffff umull x9, w9, w30 add x0, x0, x9 add x11, x11, x10, lsr #29 and x10, x10, #0x1fffffff umull x10, w10, w30 add x1, x1, x10 add x12, x12, x11, lsr #29 and x11, x11, #0x1fffffff umull x11, w11, w30 add x2, x2, x11 add x13, x13, x12, lsr #29 and x12, x12, #0x1fffffff umull x12, w12, w30 add x3, x3, x12 add x14, x14, x13, lsr #29 and x13, x13, #0x1fffffff umull x13, w13, w30 add x4, x4, x13 add x15, x15, x14, lsr #29 and x14, x14, #0x1fffffff umull x14, w14, w30 add x5, x5, x14 add x16, x16, x15, lsr #29 and x15, x15, #0x1fffffff umull x15, w15, w30 add x6, x6, x15 lsr x9, x16, #29 and x16, x16, #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 x6, x6, 0x1fffffff add x3, x3, x2, lsr #29 and x2, x2, 0x1fffffff add x8, x8, x7, lsr #29 and x7, x7, 0x1fffffff add x4, x4, x3, lsr #29 and x3, x3, 0x1fffffff bfi x3, x7, #32, #29 bic x10, x8, #0x7fffff add x0, x0, x10, lsr #23 add x0, x0, x10, lsr #22 add x0, x0, x10, lsr #19 and x8, x8, #0x7fffff add x5, x5, x4, lsr #29 and x4, x4, 0x1fffffff bfi x4, x8, #32, #23 add x1, x1, x0, lsr #29 bfi x6, x1, #32, #30 and x0, x0, 0x1fffffff bfi x5, x0, #32, #29 ldr x1, [sp, #96] // store X2 stp x3, x4, [x1, #0] stp x5, x6, [x1, #16] str x2, [x1, #32] // store Z2 ldp x3, x4, [sp, #240] ldp x5, x6, [sp, #256] ldr x2, [sp, #272] stp x3, x4, [x1, #40] stp x5, x6, [x1, #56] str x2, [x1, #72] 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, #640 ret