/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2020-2020. All rights reserved.
 * Description: This README describes how to generate the .S files.
 * Create: 2020-05-30
 */

  these files used in Build.gn, such as:
      "crypto/aes/asm/arm32/aes-armv4.S",
      "crypto/aes/asm/arm32/aesv8-armx.S",
      "crypto/aes/asm/arm32/bsaes-armv7.S",
      "crypto/armv4cpuid.S",
      "crypto/bn/armv4-gf2m.S",
      "crypto/bn/armv4-mont.S",
      "crypto/chacha/chacha-armv4.S",
      "crypto/ec/ecp_nistz256-armv4.S",
      "crypto/modes/asm/arm32/ghash-armv4.S",
      "crypto/modes/asm/arm32/ghashv8-armx.S",
      "crypto/poly1305/poly1305-armv4.S",
      "crypto/sha/keccak1600-armv4.S",
      "crypto/sha/sha1-armv4-large.S",
      "crypto/sha/sha256-armv4.S",
      "crypto/sha/sha512-armv4.S",
      "crypto/aes/asm/arm64/aesv8-armx.S",
      "crypto/aes/asm/arm64/vpaes-armv8.S",
      "crypto/arm64cpuid.S",
      "crypto/bn/armv8-mont.S",
      "crypto/chacha/chacha-armv8.S",
      "crypto/ec/ecp_nistz256-armv8.S",
      "crypto/modes/asm/arm64/ghashv8-armx.S",
      "crypto/poly1305/poly1305-armv8.S",
      "crypto/sha/keccak1600-armv8.S",
      "crypto/sha/sha1-armv8.S",
      "crypto/sha/sha256-armv8.S",
      "crypto/sha/sha512-armv8.S",
    are generated by perl executing .pl files. you can also execute the script of create_asm_file.sh to generate it.