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// generated source. do not edit.
#![allow(non_upper_case_globals, unused_macros, unused_imports)]
use crate::low::macros::*;
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0 OR ISC OR MIT-0
// ----------------------------------------------------------------------------
// AES-256-GCM bulk decryption: counter-mode decryption of whole blocks with the GHASH tag update
// Decrypts the input in CTR mode while accumulating the GHASH of the input.
//
// extern uint64_t aes256_gcm_dec(const uint8_t *in, uint64_t len_bits, uint8_t *out,
// uint64_t *tag, uint8_t *ivec,
// const s2n_bignum_AES_KEY *key, const uint64_t *htable);
//
// Processes the input "in" of "len_bits" bits (a whole number of 16-byte
// blocks) under AES-256 in GCM mode: each block is decrypted in counter mode
// using the counter block "ivec" and the AES round keys "key", the result is
// written to "out", and the running GHASH authenticator "tag" is updated using
// the precomputed table of H-powers "htable" over the INPUT (ciphertext). On
// return the updated counter is written back to "ivec", the updated
// authenticator to "tag", and the number of bytes processed is returned.
//
// The kernel is intended for a whole number of 16-byte blocks, i.e. len_bits a
// multiple of 128; a partial final block is the caller's responsibility, as in
// AWS-LC's GCM layer. For any other length only the floor(len_bits/128)
// complete blocks are processed, while the return value is still len_bits/8.
//
// The table "htable" is the GHASH key schedule used by the PMULL-based GCM
// code in OpenSSL, BoringSSL and AWS-LC: the first 96 bytes of the Htable that
// gcm_init_v8 derives from the subkey H = AES_K(0^128). Its six 16-byte entries
// hold, in order, H, m(H,H^2), H^2, H^3, m(H^3,H^4), H^4, where the powers are
// in the bit-reflected ("twisted") representation that gcm_init_v8 uses and
// m(A,B) packs the Karatsuba middle terms A.lo ^ A.hi (low 64 bits) and
// B.lo ^ B.hi (high 64 bits) of the two neighbouring powers into one entry;
// four powers suffice because GHASH is folded four blocks at a time, and
// nothing beyond the first 96 bytes is read. The reference implementation in
// tests/ref_aes_gcm.c (ref_gcm_init_htable) constructs the full table
// independently.
//
// Standard ARM ABI: X0 = in, X1 = len_bits, X2 = out, X3 = tag, X4 = ivec,
// X5 = key, X6 = htable, returns X0
// ----------------------------------------------------------------------------
// Origin: derived from the 'clean' (readability-oriented) AArch64 AES-GCM
// implementation by Hanno Becker, itself derived from the assembly generated by
// aesv8-gcm-armv8.pl (Fangming Fang, OpenSSL) and ultimately from ARM's
// AArch64cryptolib (Samuel Lee). The main four-block loop is software-pipelined
// and the whole kernel rescheduled with the SLOTHY superoptimizer; the
// surrounding assembler boilerplate follows the s2n-bignum house style.
/// AES-256-GCM bulk decryption: counter-mode decryption of whole blocks with the GHASH tag update
///
/// Decrypts the input in CTR mode while accumulating the GHASH of the input.
///
/// Processes the input "in" of "len_bits" bits (a whole number of 16-byte
/// blocks) under AES-256 in GCM mode: each block is decrypted in counter mode
/// using the counter block "ivec" and the AES round keys "key", the result is
/// written to "out", and the running GHASH authenticator "tag" is updated using
/// the precomputed table of H-powers "htable" over the INPUT (ciphertext). On
/// return the updated counter is written back to "ivec", the updated
/// authenticator to "tag", and the number of bytes processed is returned.
///
/// The kernel is intended for a whole number of 16-byte blocks, i.e. len_bits a
/// multiple of 128; a partial final block is the caller's responsibility, as in
/// AWS-LC's GCM layer. For any other length only the floor(len_bits/128)
/// complete blocks are processed, while the return value is still len_bits/8.
///
/// The table "htable" is the GHASH key schedule used by the PMULL-based GCM
/// code in OpenSSL, BoringSSL and AWS-LC: the first 96 bytes of the Htable that
/// gcm_init_v8 derives from the subkey H = AES_K(0^128). Its six 16-byte entries
/// hold, in order, H, m(H,H^2), H^2, H^3, m(H^3,H^4), H^4, where the powers are
/// in the bit-reflected ("twisted") representation that gcm_init_v8 uses and
/// m(A,B) packs the Karatsuba middle terms A.lo ^ A.hi (low 64 bits) and
/// B.lo ^ B.hi (high 64 bits) of the two neighbouring powers into one entry;
/// four powers suffice because GHASH is folded four blocks at a time, and
/// nothing beyond the first 96 bytes is read. The reference implementation in
/// tests/ref_aes_gcm.c (ref_gcm_init_htable) constructs the full table
/// independently.
#[target_feature(enable = "aes")]
pub(crate) unsafe fn aes256_gcm_dec(
inout: *mut [u8; 16],
blocks: usize,
tag: &mut [u8; 16],
ivec: &mut [u8; 16],
key: &[core::arch::aarch64::uint8x16_t; 15],
htable: &[core::arch::aarch64::uint64x2_t; 6],
) {
// SAFETY: inline assembly. see [crate::low::inline_assembly_safety] for safety info.
unsafe {
core::arch::asm!(
Q!(" sub " "sp, sp, #0xe0"),
Q!(Label!("Laes256_gcm_dec_preamble_start", 2) ":"),
Q!(" stp " "x19, x20, [sp]"),
Q!(" stp " "x21, x22, [sp, #16]"),
Q!(" stp " "x23, x24, [sp, #32]"),
Q!(" stp " "x25, x26, [sp, #48]"),
Q!(" stp " "x27, x28, [sp, #64]"),
Q!(" stp " "x29, x30, [sp, #80]"),
Q!(" stp " "d8, d9, [sp, #96]"),
Q!(" stp " "d10, d11, [sp, #112]"),
Q!(" stp " "d12, d13, [sp, #128]"),
Q!(" stp " "d14, d15, [sp, #144]"),
Q!(" lsr " "x15, x1, #3"),
Q!(" ldr " "q18, [x5]"),
Q!(" ldr " "q19, [x5, #16]"),
Q!(" ldr " "q20, [x5, #32]"),
Q!(" ldr " "q21, [x5, #48]"),
Q!(" ldr " "q22, [x5, #64]"),
Q!(" ldr " "q23, [x5, #80]"),
Q!(" ldr " "q24, [x5, #96]"),
Q!(" ldr " "q25, [x5, #112]"),
Q!(" ldr " "q26, [x5, #128]"),
Q!(" ldr " "q27, [x5, #144]"),
Q!(" ldr " "q28, [x5, #160]"),
Q!(" ldr " "q15, [x5, #176]"),
Q!(" ldr " "q16, [x5, #192]"),
Q!(" ldr " "q17, [x5, #208]"),
Q!(" ldr " "q2, [x5, #224]"),
Q!(" ldr " "q30, [x3]"),
Q!(" rev64 " "v30.16b, v30.16b"),
Q!(" ldp " "x11, x12, [x4]"),
Q!(" stp " "x11, x12, [sp, #160]"),
Q!(" stp " "x11, x12, [sp, #176]"),
Q!(" stp " "x11, x12, [sp, #192]"),
Q!(" stp " "x11, x12, [sp, #208]"),
Q!(" lsr " "x13, x12, #32"),
Q!(" rev " "w13, w13"),
Q!(" orr " "w12, w12, w12"),
Q!(" lsr " "x7, x15, #4"),
Q!(" lsr " "x1, x7, #2"),
Q!(" and " "x9, x7, #0x3"),
Q!(" movi " "v7.8b, #0xc2"),
Q!(" shl " "d7, d7, #56"),
Q!(Label!("Laes256_gcm_dec_preamble_end", 3) ":"),
Q!(" cbz " "x1, " Label!("Laes256_gcm_dec_loop_unrolled_end", 4, After)),
Q!(" ldr " "q5, [x6]"),
Q!(" ldr " "q0, [x0, #48]"),
Q!(" add " "w11, w13, #0x1"),
Q!(" add " "w27, w13, #0x2"),
Q!(" ldr " "q31, [x6, #48]"),
Q!(" ldr " "q29, [x0, #32]"),
Q!(" rev " "w12, w27"),
Q!(" rev " "w30, w11"),
Q!(" ldr " "q13, [x6, #64]"),
Q!(" add " "w27, w13, #0x3"),
Q!(" str " "w30, [sp, #188]"),
Q!(" add " "w25, w13, #0x0"),
Q!(" ldr " "q1, [x0, #16]"),
Q!(" rev " "w17, w25"),
Q!(" rev " "w7, w27"),
Q!(" str " "w12, [sp, #204]"),
Q!(" rev64 " "v8.16b, v0.16b"),
Q!(" ldr " "q3, [sp, #176]"),
Q!(" rev64 " "v14.16b, v29.16b"),
Q!(" ldr " "q12, [sp, #192]"),
Q!(" str " "w7, [sp, #220]"),
Q!(" pmull " "v10.1q, v8.1d, v5.1d"),
Q!(" mov " "d6, v8.d[1]"),
Q!(" str " "w17, [sp, #172]"),
Q!(" pmull2 " "v11.1q, v8.2d, v5.2d"),
Q!(" ldr " "q5, [x6, #16]"),
Q!(" ext " "v4.16b, v14.16b, v14.16b, #8"),
Q!(" aese " "v3.16b, v18.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v12.16b, v18.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" eor " "v6.8b, v6.8b, v8.8b"),
Q!(" eor " "v8.16b, v4.16b, v14.16b"),
Q!(" aese " "v3.16b, v19.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" rev64 " "v9.16b, v1.16b"),
Q!(" pmull " "v4.1q, v6.1d, v5.1d"),
Q!(" pmull2 " "v8.1q, v8.2d, v5.2d"),
Q!(" ldr " "q5, [x6, #32]"),
Q!(" aese " "v3.16b, v20.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v12.16b, v19.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" aese " "v3.16b, v21.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v12.16b, v20.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" pmull2 " "v6.1q, v14.2d, v5.2d"),
Q!(" aese " "v12.16b, v21.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" eor " "v11.16b, v11.16b, v6.16b"),
Q!(" aese " "v3.16b, v22.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v12.16b, v22.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" eor " "v6.16b, v4.16b, v8.16b"),
Q!(" mov " "d8, v9.d[1]"),
Q!(" aese " "v3.16b, v23.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v12.16b, v23.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" aese " "v3.16b, v24.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" eor " "v4.8b, v8.8b, v9.8b"),
Q!(" aese " "v12.16b, v24.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" ldr " "q8, [sp, #208]"),
Q!(" aese " "v3.16b, v25.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v12.16b, v25.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" aese " "v3.16b, v26.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v12.16b, v26.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" aese " "v3.16b, v27.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v12.16b, v27.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" aese " "v3.16b, v28.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v12.16b, v28.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" aese " "v8.16b, v18.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" aese " "v12.16b, v15.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" pmull " "v14.1q, v14.1d, v5.1d"),
Q!(" aese " "v12.16b, v16.16b"),
Q!(" aesmc " "v12.16b, v12.16b"),
Q!(" eor " "v10.16b, v10.16b, v14.16b"),
Q!(" aese " "v8.16b, v19.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" aese " "v12.16b, v17.16b"),
Q!(" ldr " "q14, [x0], #64"),
Q!(" pmull2 " "v5.1q, v9.2d, v31.2d"),
Q!(" eor " "v12.16b, v12.16b, v2.16b"),
Q!(" aese " "v8.16b, v20.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" pmull " "v9.1q, v9.1d, v31.1d"),
Q!(" ldr " "q31, [sp, #160]"),
Q!(" eor " "v12.16b, v12.16b, v29.16b"),
Q!(" aese " "v8.16b, v21.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" ldr " "q29, [x6, #80]"),
Q!(" aese " "v3.16b, v15.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v8.16b, v22.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" str " "q12, [x2, #32]"),
Q!(" sub " "x1, x1, #0x1"),
Q!(" cbz " "x1, " Label!("Laes256_gcm_dec_loop_unrolled_start_postamble", 5, After)),
Q!(Label!("Laes256_gcm_dec_loop_unrolled_start", 6) ":"),
Q!(" eor " "v12.16b, v11.16b, v5.16b"),
Q!(" pmull " "v5.1q, v4.1d, v13.1d"),
Q!(" add " "w13, w13, #0x4"),
Q!(" eor " "v4.16b, v10.16b, v9.16b"),
Q!(" aese " "v31.16b, v18.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" add " "w27, w13, #0x3"),
Q!(" add " "w12, w13, #0x2"),
Q!(" aese " "v3.16b, v16.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" rev64 " "v9.16b, v14.16b"),
Q!(" add " "w17, w13, #0x1"),
Q!(" rev " "w11, w12"),
Q!(" aese " "v31.16b, v19.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" str " "w11, [sp, #204]"),
Q!(" rev " "w25, w17"),
Q!(" aese " "v3.16b, v17.16b"),
Q!(" eor " "v10.16b, v9.16b, v30.16b"),
Q!(" str " "w25, [sp, #188]"),
Q!(" add " "w7, w13, #0x0"),
Q!(" aese " "v31.16b, v20.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" ldr " "q30, [sp, #192]"),
Q!(" rev " "w30, w7"),
Q!(" eor " "v5.16b, v6.16b, v5.16b"),
Q!(" pmull " "v11.1q, v10.1d, v29.1d"),
Q!(" rev " "w8, w27"),
Q!(" eor " "v3.16b, v3.16b, v2.16b"),
Q!(" aese " "v31.16b, v21.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" str " "w8, [sp, #220]"),
Q!(" eor " "v4.16b, v4.16b, v11.16b"),
Q!(" pmull2 " "v11.1q, v10.2d, v29.2d"),
Q!(" str " "w30, [sp, #172]"),
Q!(" aese " "v30.16b, v18.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" aese " "v31.16b, v22.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" eor " "v9.16b, v12.16b, v11.16b"),
Q!(" ext " "v12.16b, v10.16b, v10.16b, #8"),
Q!(" aese " "v30.16b, v19.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" eor " "v1.16b, v3.16b, v1.16b"),
Q!(" aese " "v8.16b, v23.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" eor " "v3.16b, v12.16b, v10.16b"),
Q!(" aese " "v30.16b, v20.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" aese " "v8.16b, v24.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" str " "q1, [x2, #16]"),
Q!(" aese " "v30.16b, v21.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" ldr " "q1, [x0, #32]"),
Q!(" aese " "v8.16b, v25.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" ext " "v6.16b, v9.16b, v9.16b, #8"),
Q!(" pmull " "v12.1q, v9.1d, v7.1d"),
Q!(" aese " "v8.16b, v26.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" pmull2 " "v11.1q, v3.2d, v13.2d"),
Q!(" eor " "v9.16b, v4.16b, v9.16b"),
Q!(" eor " "v3.16b, v6.16b, v12.16b"),
Q!(" aese " "v8.16b, v27.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" aese " "v30.16b, v22.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" eor " "v12.16b, v5.16b, v11.16b"),
Q!(" rev64 " "v29.16b, v1.16b"),
Q!(" aese " "v8.16b, v28.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" ldr " "q10, [x6, #16]"),
Q!(" aese " "v30.16b, v23.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" ext " "v13.16b, v29.16b, v29.16b, #8"),
Q!(" aese " "v8.16b, v15.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" aese " "v30.16b, v24.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" eor " "v6.16b, v13.16b, v29.16b"),
Q!(" aese " "v8.16b, v16.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" eor " "v13.16b, v12.16b, v9.16b"),
Q!(" aese " "v30.16b, v25.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" aese " "v8.16b, v17.16b"),
Q!(" eor " "v9.16b, v13.16b, v3.16b"),
Q!(" aese " "v30.16b, v26.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" eor " "v11.16b, v8.16b, v2.16b"),
Q!(" aese " "v31.16b, v23.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" ldr " "q8, [sp, #208]"),
Q!(" aese " "v30.16b, v27.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" eor " "v13.16b, v11.16b, v0.16b"),
Q!(" pmull " "v5.1q, v9.1d, v7.1d"),
Q!(" ldr " "q0, [x0, #48]"),
Q!(" aese " "v30.16b, v28.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" aese " "v31.16b, v24.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" str " "q13, [x2, #48]"),
Q!(" eor " "v12.16b, v4.16b, v5.16b"),
Q!(" aese " "v30.16b, v15.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" aese " "v31.16b, v25.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" ext " "v5.16b, v9.16b, v9.16b, #8"),
Q!(" rev64 " "v11.16b, v0.16b"),
Q!(" aese " "v30.16b, v16.16b"),
Q!(" aesmc " "v30.16b, v30.16b"),
Q!(" aese " "v31.16b, v26.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" eor " "v5.16b, v12.16b, v5.16b"),
Q!(" ldr " "q3, [sp, #176]"),
Q!(" aese " "v30.16b, v17.16b"),
Q!(" mov " "d12, v11.d[1]"),
Q!(" aese " "v31.16b, v27.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" aese " "v8.16b, v18.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" eor " "v4.16b, v30.16b, v2.16b"),
Q!(" eor " "v12.8b, v12.8b, v11.8b"),
Q!(" aese " "v31.16b, v28.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" aese " "v3.16b, v18.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v8.16b, v19.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" aese " "v31.16b, v15.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" ldr " "q30, [x6]"),
Q!(" pmull2 " "v9.1q, v6.2d, v10.2d"),
Q!(" ldr " "q13, [x6, #32]"),
Q!(" aese " "v3.16b, v19.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" pmull " "v6.1q, v12.1d, v10.1d"),
Q!(" eor " "v12.16b, v4.16b, v1.16b"),
Q!(" aese " "v3.16b, v20.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" eor " "v6.16b, v6.16b, v9.16b"),
Q!(" aese " "v31.16b, v16.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" aese " "v3.16b, v21.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v31.16b, v17.16b"),
Q!(" aese " "v3.16b, v22.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" ldr " "q1, [x0, #16]"),
Q!(" eor " "v31.16b, v31.16b, v2.16b"),
Q!(" pmull " "v4.1q, v11.1d, v30.1d"),
Q!(" aese " "v3.16b, v23.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" eor " "v10.16b, v31.16b, v14.16b"),
Q!(" pmull2 " "v11.1q, v11.2d, v30.2d"),
Q!(" ldr " "q14, [x6, #48]"),
Q!(" aese " "v3.16b, v24.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" ext " "v30.16b, v5.16b, v5.16b, #8"),
Q!(" aese " "v8.16b, v20.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" aese " "v3.16b, v25.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" rev64 " "v31.16b, v1.16b"),
Q!(" str " "q10, [x2], #64"),
Q!(" pmull " "v10.1q, v29.1d, v13.1d"),
Q!(" aese " "v3.16b, v26.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" mov " "d5, v31.d[1]"),
Q!(" pmull2 " "v29.1q, v29.2d, v13.2d"),
Q!(" eor " "v10.16b, v4.16b, v10.16b"),
Q!(" aese " "v3.16b, v27.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" eor " "v4.8b, v5.8b, v31.8b"),
Q!(" pmull " "v9.1q, v31.1d, v14.1d"),
Q!(" ldr " "q13, [x6, #64]"),
Q!(" pmull2 " "v5.1q, v31.2d, v14.2d"),
Q!(" ldr " "q14, [x0], #64"),
Q!(" eor " "v11.16b, v11.16b, v29.16b"),
Q!(" aese " "v3.16b, v28.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" ldr " "q31, [sp, #160]"),
Q!(" aese " "v8.16b, v21.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" ldr " "q29, [x6, #80]"),
Q!(" aese " "v3.16b, v15.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" aese " "v8.16b, v22.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" str " "q12, [x2, #32]"),
Q!(" sub " "x1, x1, #0x1"),
Q!(" cbnz " "x1, " Label!("Laes256_gcm_dec_loop_unrolled_start", 6, Before)),
Q!(Label!("Laes256_gcm_dec_loop_unrolled_start_postamble", 5) ":"),
Q!(" pmull " "v4.1q, v4.1d, v13.1d"),
Q!(" rev64 " "v12.16b, v14.16b"),
Q!(" add " "w13, w13, #0x4"),
Q!(" aese " "v31.16b, v18.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" eor " "v10.16b, v10.16b, v9.16b"),
Q!(" eor " "v9.16b, v6.16b, v4.16b"),
Q!(" aese " "v8.16b, v23.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" aese " "v31.16b, v19.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" eor " "v30.16b, v12.16b, v30.16b"),
Q!(" eor " "v12.16b, v11.16b, v5.16b"),
Q!(" aese " "v8.16b, v24.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" pmull2 " "v4.1q, v30.2d, v29.2d"),
Q!(" ext " "v6.16b, v30.16b, v30.16b, #8"),
Q!(" pmull " "v5.1q, v30.1d, v29.1d"),
Q!(" aese " "v8.16b, v25.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" eor " "v30.16b, v6.16b, v30.16b"),
Q!(" eor " "v10.16b, v10.16b, v5.16b"),
Q!(" aese " "v31.16b, v20.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" pmull2 " "v11.1q, v30.2d, v13.2d"),
Q!(" eor " "v4.16b, v12.16b, v4.16b"),
Q!(" aese " "v31.16b, v21.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" pmull " "v13.1q, v4.1d, v7.1d"),
Q!(" ext " "v30.16b, v4.16b, v4.16b, #8"),
Q!(" aese " "v31.16b, v22.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" eor " "v5.16b, v9.16b, v11.16b"),
Q!(" aese " "v8.16b, v26.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" eor " "v9.16b, v10.16b, v4.16b"),
Q!(" eor " "v6.16b, v30.16b, v13.16b"),
Q!(" aese " "v31.16b, v23.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" eor " "v5.16b, v5.16b, v9.16b"),
Q!(" aese " "v8.16b, v27.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" aese " "v31.16b, v24.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" aese " "v8.16b, v28.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" eor " "v5.16b, v5.16b, v6.16b"),
Q!(" aese " "v31.16b, v25.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" aese " "v8.16b, v15.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" aese " "v31.16b, v26.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" pmull " "v6.1q, v5.1d, v7.1d"),
Q!(" ext " "v5.16b, v5.16b, v5.16b, #8"),
Q!(" aese " "v31.16b, v27.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" aese " "v8.16b, v16.16b"),
Q!(" aesmc " "v8.16b, v8.16b"),
Q!(" eor " "v10.16b, v10.16b, v6.16b"),
Q!(" aese " "v31.16b, v28.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" aese " "v8.16b, v17.16b"),
Q!(" eor " "v5.16b, v10.16b, v5.16b"),
Q!(" aese " "v31.16b, v15.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" aese " "v3.16b, v16.16b"),
Q!(" aesmc " "v3.16b, v3.16b"),
Q!(" ext " "v30.16b, v5.16b, v5.16b, #8"),
Q!(" eor " "v5.16b, v8.16b, v2.16b"),
Q!(" aese " "v31.16b, v16.16b"),
Q!(" aesmc " "v31.16b, v31.16b"),
Q!(" aese " "v3.16b, v17.16b"),
Q!(" eor " "v5.16b, v5.16b, v0.16b"),
Q!(" aese " "v31.16b, v17.16b"),
Q!(" eor " "v8.16b, v3.16b, v2.16b"),
Q!(" str " "q5, [x2, #48]"),
Q!(" eor " "v5.16b, v31.16b, v2.16b"),
Q!(" eor " "v12.16b, v8.16b, v1.16b"),
Q!(" eor " "v5.16b, v5.16b, v14.16b"),
Q!(" str " "q12, [x2, #16]"),
Q!(" str " "q5, [x2], #64"),
Q!(" b " Label!("Laes256_gcm_dec_loop_unrolled_end", 4, After)),
Q!(Label!("Laes256_gcm_dec_loop_unrolled_end", 4) ":"),
Q!(" ldr " "q12, [x6]"),
Q!(" ldr " "q13, [x6, #32]"),
Q!(" ldr " "q14, [x6, #16]"),
Q!(" cbz " "x9, " Label!("Laes256_gcm_dec_loop_1x_end", 7, After)),
Q!(Label!("Laes256_gcm_dec_loop_1x_start", 8) ":"),
Q!(" ldr " "q8, [x0], #16"),
Q!(" add " "w26, w13, #0x0"),
Q!(" add " "w13, w13, #0x1"),
Q!(" rev " "w24, w26"),
Q!(" str " "w24, [sp, #172]"),
Q!(" ldr " "q5, [sp, #160]"),
Q!(" rev64 " "v3.16b, v8.16b"),
Q!(" eor " "v30.16b, v3.16b, v30.16b"),
Q!(" mov " "d9, v30.d[1]"),
Q!(" aese " "v5.16b, v18.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" pmull2 " "v13.1q, v30.2d, v12.2d"),
Q!(" eor " "v1.8b, v9.8b, v30.8b"),
Q!(" aese " "v5.16b, v19.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" ext " "v29.16b, v13.16b, v13.16b, #8"),
Q!(" pmull " "v11.1q, v30.1d, v12.1d"),
Q!(" aese " "v5.16b, v20.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" eor " "v31.16b, v11.16b, v13.16b"),
Q!(" pmull " "v13.1q, v13.1d, v7.1d"),
Q!(" aese " "v5.16b, v21.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" eor " "v13.16b, v29.16b, v13.16b"),
Q!(" pmull " "v6.1q, v1.1d, v14.1d"),
Q!(" aese " "v5.16b, v22.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" eor " "v29.16b, v6.16b, v31.16b"),
Q!(" aese " "v5.16b, v23.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" eor " "v13.16b, v29.16b, v13.16b"),
Q!(" aese " "v5.16b, v24.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" ext " "v0.16b, v13.16b, v13.16b, #8"),
Q!(" pmull " "v13.1q, v13.1d, v7.1d"),
Q!(" aese " "v5.16b, v25.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" eor " "v29.16b, v11.16b, v13.16b"),
Q!(" aese " "v5.16b, v26.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" eor " "v13.16b, v29.16b, v0.16b"),
Q!(" aese " "v5.16b, v27.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" aese " "v5.16b, v28.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" aese " "v5.16b, v15.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" aese " "v5.16b, v16.16b"),
Q!(" aesmc " "v5.16b, v5.16b"),
Q!(" aese " "v5.16b, v17.16b"),
Q!(" eor " "v30.16b, v5.16b, v2.16b"),
Q!(" eor " "v30.16b, v30.16b, v8.16b"),
Q!(" str " "q30, [x2], #16"),
Q!(" ext " "v30.16b, v13.16b, v13.16b, #8"),
Q!(" sub " "x9, x9, #0x1"),
Q!(" cbnz " "x9, " Label!("Laes256_gcm_dec_loop_1x_start", 8, Before)),
Q!(Label!("Laes256_gcm_dec_loop_1x_end", 7) ":"),
Q!(" mov " "x0, x15"),
Q!(" rev64 " "v30.16b, v30.16b"),
Q!(" str " "q30, [x3]"),
Q!(" rev " "w14, w13"),
Q!(" str " "w14, [x4, #12]"),
Q!(" ldp " "d8, d9, [sp, #96]"),
Q!(" ldp " "d10, d11, [sp, #112]"),
Q!(" ldp " "d12, d13, [sp, #128]"),
Q!(" ldp " "d14, d15, [sp, #144]"),
Q!(" ldp " "x19, x20, [sp]"),
Q!(" ldp " "x21, x22, [sp, #16]"),
Q!(" ldp " "x23, x24, [sp, #32]"),
Q!(" ldp " "x25, x26, [sp, #48]"),
Q!(" ldp " "x27, x28, [sp, #64]"),
Q!(" ldp " "x29, x30, [sp, #80]"),
Q!(Label!("Laes256_gcm_dec_postamble_end", 9) ":"),
Q!(" add " "sp, sp, #0xe0"),
inout("x0") inout => _,
inout("x1") blocks * 128 => _,
inout("x2") inout => _,
inout("x3") tag.as_mut_ptr() => _,
inout("x4") ivec.as_mut_ptr() => _,
inout("x5") key.as_ptr() => _,
inout("x6") htable.as_ptr() => _,
// clobbers
out("v0") _,
out("v1") _,
out("v10") _,
out("v11") _,
out("v12") _,
out("v13") _,
out("v14") _,
out("v15") _,
out("v16") _,
out("v17") _,
out("v18") _,
out("v19") _,
out("v2") _,
out("v20") _,
out("v21") _,
out("v22") _,
out("v23") _,
out("v24") _,
out("v25") _,
out("v26") _,
out("v27") _,
out("v28") _,
out("v29") _,
out("v3") _,
out("v30") _,
out("v31") _,
out("v4") _,
out("v5") _,
out("v6") _,
out("v7") _,
out("v8") _,
out("v9") _,
out("x11") _,
out("x12") _,
out("x13") _,
out("x14") _,
out("x15") _,
out("x17") _,
out("x20") _,
out("x21") _,
out("x22") _,
out("x23") _,
out("x24") _,
out("x25") _,
out("x26") _,
out("x27") _,
out("x28") _,
out("x30") _,
out("x7") _,
out("x8") _,
out("x9") _,
)
};
}