-rw-r--r-- 6074 lib25519-20240928/crypto_mGnP/ed25519/arm64-maa4-intmul/sc25519_barrett.S raw
#include "crypto_asm_hidden.h" // linker define sc25519_barrett /* Assembly for Barrett reduction */ .p2align 4 ASM_HIDDEN _CRYPTO_SHARED_NAMESPACE(sc25519_barrett) .globl _CRYPTO_SHARED_NAMESPACE(sc25519_barrett) ASM_HIDDEN CRYPTO_SHARED_NAMESPACE(sc25519_barrett) .globl CRYPTO_SHARED_NAMESPACE(sc25519_barrett) _CRYPTO_SHARED_NAMESPACE(sc25519_barrett): CRYPTO_SHARED_NAMESPACE(sc25519_barrett): sub sp, sp, #96 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] movz x22, #0x131B movk x22, #0x0A2C, lsl 16 movk x22, #0xE5A3, lsl 32 movk x22, #0xED9C, lsl 48 movz x23, #0x29A7 movk x23, #0x0863, lsl 16 movk x23, #0x215D, lsl 32 movk x23, #0x2106, lsl 48 movz x24, #0xFFEB movk x24, #0xFFFF, lsl 16 movk x24, #0xFFFF, lsl 32 movk x24, #0xFFFF, lsl 48 mov x25, #-1 mov x26, #0xF movz x27, #0xD3ED movk x27, #0x5CF5, lsl 16 movk x27, #0x631A, lsl 32 movk x27, #0x5812, lsl 48 movz x28, #0x9CD6 movk x28, #0xA2F7, lsl 16 movk x28, #0xF9DE, lsl 32 movk x28, #0x14DE, lsl 48 mov x29, xzr mov x30, #0x1000000000000000 eor x7, x7, x7 eor x8, x8, x8 eor x9, x9, x9 eor x10, x10, x10 eor x11, x11, x11 ldr x2, [x1, #24] mul x12, x25, x2 umulh x13, x25, x2 mul x14, x26, x2 umulh x3, x26, x2 adds x14, x14, x13 adc x8, x8, x3 ldr x2, [x1, #32] mul x3, x24, x2 umulh x4, x24, x2 adds x12, x12, x3 adc x13, x4, xzr mul x3, x25, x2 umulh x4, x25, x2 adds x14, x14, x3 adc x4, x4, x7 adds x14, x14, x13 adc x13, x4, xzr mul x3, x26, x2 umulh x4, x26, x2 adds x8, x8, x3 adc x4, x4, x7 adds x8, x8, x13 adc x9, x9, x4 ldr x2, [x1, #40] mul x3, x23, x2 umulh x4, x23, x2 adds x12, x12, x3 adc x13, x4, xzr mul x3, x24, x2 umulh x4, x24, x2 adds x14, x14, x3 adc x4, x4, x7 adds x14, x14, x13 adc x13, x4, xzr mul x3, x25, x2 umulh x4, x25, x2 adds x8, x8, x3 adc x4, x4, x7 adds x8, x8, x13 adc x13, x4, xzr mul x3, x26, x2 umulh x4, x26, x2 adds x9, x9, x3 adc x4, x4, x7 adds x9, x9, x13 adc x10, x10, x4 ldr x2, [x1, #48] mul x3, x22, x2 umulh x4, x22, x2 adds x12, x12, x3 adc x12, x4, xzr mul x3, x23, x2 umulh x4, x23, x2 adds x14, x14, x3 adc x4, x4, x7 adds x14, x14, x12 adc x12, x4, xzr mul x3, x24, x2 umulh x4, x24, x2 adds x8, x8, x3 adc x4, x4, x7 adds x8, x8, x12 adc x12, x4, xzr mul x3, x25, x2 umulh x4, x25, x2 adds x9, x9, x3 adc x4, x4, x7 adds x9, x9, x12 adc x12, x4, xzr mul x3, x26, x2 umulh x4, x26, x2 adds x10, x10, x3 adc x4, x4, x7 adds x10, x10, x12 adc x11, x11, x4 ldr x2, [x1, #56] mul x3, x22, x2 umulh x4, x22, x2 adds x14, x14, x3 adc x12, x4, xzr mul x3, x23, x2 umulh x4, x23, x2 adds x8, x8, x3 adc x4, x4, x7 adds x16, x8, x12 adc x12, x4, xzr mul x3, x24, x2 umulh x4, x24, x2 adds x9, x9, x3 adc x4, x4, x7 adds x17, x9, x12 adc x15, x4, xzr mul x3, x25, x2 umulh x4, x25, x2 adds x10, x10, x3 adc x4, x4, x7 adds x18, x10, x15 adc x15, x4, xzr mul x3, x26, x2 umulh x4, x26, x2 adds x11, x11, x3 adc x4, x4, x7 adds x19, x11, x15 mul x8, x27, x16 umulh x9, x27, x16 mul x10, x28, x16 umulh x4, x28, x16 adds x10, x10, x9 adc x11, x4, xzr mul x12, x30, x16 mul x3, x27, x17 umulh x4, x27, x17 adds x10, x10, x3 adc x9, x4, xzr mul x3, x28, x17 umulh x4, x28, x17 adds x11, x11, x3 adc x4, x4, x7 adds x11, x11, x9 adc x7, x4, xzr add x12, x12, x7 mul x3, x27, x18 umulh x4, x27, x18 adds x11, x11, x3 adc x7, x4, xzr mul x3, x28, x18 add x12, x12, x3 add x12, x12, x7 mul x3, x27, x19 add x12, x12, x3 ldr x2, [x1, #0] subs x2, x2, x8 mov x7, x2 ldr x8, [x1, #8] sbcs x8, x8, x10 mov x9, x8 ldr x3, [x1, #16] sbcs x3, x3, x11 mov x10, x3 ldr x1, [x1, #24] sbcs x1, x1, x12 mov x11, x1 subs x7, x7, x27 sbcs x9, x9, x28 sbcs x10, x10, x29 sbcs x11, x11, x30 csel x2, x7, x2, cs mov x7, x2 csel x8, x9, x8, cs mov x9, x8 csel x3, x10, x3, cs mov x10, x3 csel x1, x11, x1, cs mov x11, x1 subs x7, x7, x27 sbcs x9, x9, x28 sbcs x10, x10, x29 sbcs x11, x11, x30 csel x2, x7, x2, cs csel x8, x9, x8, cs csel x3, x10, x3, cs csel x1, x11, x1, cs str x2, [x0, #0] str x8, [x0, #8] str x3, [x0, #16] str x1, [x0, #24] 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, #96 ret .section .note.GNU-stack,"",@progbits