/* Copyright (C) 2012-2019 Free Software Foundation, Inc. Contributed by ARM Ltd. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see . */ /* This is a list of ISA extentsions in AArch64. Before using #include to read this file, define a macro: AARCH64_OPT_EXTENSION(EXT_NAME, FLAG_CANONICAL, FLAGS_ON, FLAGS_OFF, SYNTHETIC, FEATURE_STRING) - EXT_NAME is the name of the extension, represented as a string constant. - FLAGS_CANONICAL is the canonical internal name for this flag. - FLAGS_ON are the bitwise-or of the features that enabling the extension adds, or zero if enabling this extension has no effect on other features. - FLAGS_OFF are the bitwise-or of the features that disabling the extension removes, or zero if disabling this extension has no effect on other features. - SYNTHETIC is a boolean to indicate whether the option is a purely synthetic grouping of options and that the option itself has no feature bit (e.g. crypto). This is used to determine when sum of the individual options in FLAGS_ON can be replaced by FLAG_CANONICAL in options minimization. If the group is synthetic then they can be replaced when all options in FLAGS_ON are enabled, otherwise they can only be replaced when FLAGS_ON | FLAG_CANONICAL are enabled. - FEAT_STRING is a string containing the entries in the 'Features' field of /proc/cpuinfo on a GNU/Linux system that correspond to this architecture extension being available. Sometimes multiple entries are needed to enable the extension (for example, the 'crypto' extension depends on four entries: aes, pmull, sha1, sha2 being present). In that case this field should contain a space (" ") separated list of the strings in 'Features' that are required. Their order is not important. An empty string means do not detect this feature during auto detection. */ /* NOTE: This file is being parsed by config.gcc and so the AARCH64_OPT_EXTENSION must adhere to a strict format: 1) No space between the AARCH64_OPT_EXTENSION and the opening (. 2) No space between the opening ( and the extension name. 3) No space after the extension name before the ,. 4) Spaces are only allowed after a , and around |. 5) Everything must be on one line. */ /* Enabling "fp" just enables "fp". Disabling "fp" also disables "simd", "crypto", "fp16", "aes", "sha2", "sha3", sm3/sm4 and "sve". */ AARCH64_OPT_EXTENSION("fp", AARCH64_FL_FP, 0, AARCH64_FL_SIMD | AARCH64_FL_CRYPTO | AARCH64_FL_F16 | AARCH64_FL_AES | AARCH64_FL_SHA2 | AARCH64_FL_SHA3 | AARCH64_FL_SM4 | AARCH64_FL_SVE, false, "fp") /* Enabling "simd" also enables "fp". Disabling "simd" also disables "crypto", "dotprod", "aes", "sha2", "sha3", "sm3/sm4" and "sve". */ AARCH64_OPT_EXTENSION("simd", AARCH64_FL_SIMD, AARCH64_FL_FP, AARCH64_FL_CRYPTO | AARCH64_FL_DOTPROD | AARCH64_FL_AES | AARCH64_FL_SHA2 | AARCH64_FL_SHA3 | AARCH64_FL_SM4 | AARCH64_FL_SVE, false, "asimd") /* Enabling "crypto" also enables "fp", "simd", "aes" and "sha2". Disabling "crypto" disables "crypto", "aes", "sha2", "sha3" and "sm3/sm4". */ AARCH64_OPT_EXTENSION("crypto", AARCH64_FL_CRYPTO, AARCH64_FL_FP | AARCH64_FL_SIMD | AARCH64_FL_AES | AARCH64_FL_SHA2, AARCH64_FL_AES | AARCH64_FL_SHA2 |AARCH64_FL_SHA3 | AARCH64_FL_SM4, true, "aes pmull sha1 sha2") /* Enabling or disabling "crc" only changes "crc". */ AARCH64_OPT_EXTENSION("crc", AARCH64_FL_CRC, 0, 0, false, "crc32") /* Enabling or disabling "lse" only changes "lse". */ AARCH64_OPT_EXTENSION("lse", AARCH64_FL_LSE, 0, 0, false, "atomics") /* Enabling "fp16" also enables "fp". Disabling "fp16" disables "fp16", "fp16fml" and "sve". */ AARCH64_OPT_EXTENSION("fp16", AARCH64_FL_F16, AARCH64_FL_FP, AARCH64_FL_F16FML | AARCH64_FL_SVE, false, "fphp asimdhp") /* Enabling or disabling "rcpc" only changes "rcpc". */ AARCH64_OPT_EXTENSION("rcpc", AARCH64_FL_RCPC, 0, 0, false, "lrcpc") /* Enabling "rdma" also enables "fp", "simd". Disabling "rdma" just disables "rdma". */ AARCH64_OPT_EXTENSION("rdma", AARCH64_FL_RDMA, AARCH64_FL_FP | AARCH64_FL_SIMD, 0, false, "asimdrdm") /* Enabling "dotprod" also enables "simd". Disabling "dotprod" only disables "dotprod". */ AARCH64_OPT_EXTENSION("dotprod", AARCH64_FL_DOTPROD, AARCH64_FL_SIMD, 0, false, "asimddp") /* Enabling "aes" also enables "simd". Disabling "aes" just disables "aes". */ AARCH64_OPT_EXTENSION("aes", AARCH64_FL_AES, AARCH64_FL_SIMD, 0, false, "aes") /* Enabling "sha2" also enables "simd". Disabling "sha2" just disables "sha2". */ AARCH64_OPT_EXTENSION("sha2", AARCH64_FL_SHA2, AARCH64_FL_SIMD, 0, false, "sha1 sha2") /* Enabling "sha3" enables "simd" and "sha2". Disabling "sha3" just disables "sha3". */ AARCH64_OPT_EXTENSION("sha3", AARCH64_FL_SHA3, AARCH64_FL_SIMD | AARCH64_FL_SHA2, 0, false, "sha3 sha512") /* Enabling "sm4" also enables "simd". Disabling "sm4" just disables "sm4". */ AARCH64_OPT_EXTENSION("sm4", AARCH64_FL_SM4, AARCH64_FL_SIMD, 0, false, "sm3 sm4") /* Enabling "fp16fml" also enables "fp" and "fp16". Disabling "fp16fml" just disables "fp16fml". */ AARCH64_OPT_EXTENSION("fp16fml", AARCH64_FL_F16FML, AARCH64_FL_FP | AARCH64_FL_F16, 0, false, "asimdfhm") /* Enabling "sve" also enables "fp16", "fp" and "simd". Disabling "sve" just disables "sve". */ AARCH64_OPT_EXTENSION("sve", AARCH64_FL_SVE, AARCH64_FL_FP | AARCH64_FL_SIMD | AARCH64_FL_F16, 0, false, "sve") /* Enabling/Disabling "profile" does not enable/disable any other feature. */ AARCH64_OPT_EXTENSION("profile", AARCH64_FL_PROFILE, 0, 0, false, "") /* Enabling/Disabling "rng" only changes "rng". */ AARCH64_OPT_EXTENSION("rng", AARCH64_FL_RNG, 0, 0, false, "rng") /* Enabling/Disabling "memtag" only changes "memtag". */ AARCH64_OPT_EXTENSION("memtag", AARCH64_FL_MEMTAG, 0, 0, false, "") /* Enabling/Disabling "sb" only changes "sb". */ AARCH64_OPT_EXTENSION("sb", AARCH64_FL_SB, 0, 0, false, "") /* Enabling/Disabling "ssbs" only changes "ssbs". */ AARCH64_OPT_EXTENSION("ssbs", AARCH64_FL_SSBS, 0, 0, false, "") /* Enabling/Disabling "predres" only changes "predres". */ AARCH64_OPT_EXTENSION("predres", AARCH64_FL_PREDRES, 0, 0, false, "") #undef AARCH64_OPT_EXTENSION