diff options
Diffstat (limited to 'gcc/config/aarch64/aarch64-option-extensions.def')
| -rw-r--r-- | gcc/config/aarch64/aarch64-option-extensions.def | 73 |
1 files changed, 41 insertions, 32 deletions
diff --git a/gcc/config/aarch64/aarch64-option-extensions.def b/gcc/config/aarch64/aarch64-option-extensions.def index a1b71cedb14..a575448e406 100644 --- a/gcc/config/aarch64/aarch64-option-extensions.def +++ b/gcc/config/aarch64/aarch64-option-extensions.def @@ -21,22 +21,31 @@ Before using #include to read this file, define a macro: - AARCH64_OPT_EXTENSION(EXT_NAME, FLAG_CANONICAL, FLAGS_ON, FLAGS_OFF, 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. - 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. */ + 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: @@ -49,60 +58,60 @@ /* 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, "fp") +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, "asimd") +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" and "simd". +/* 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_SHA3 | AARCH64_FL_SM4, "aes pmull sha1 sha2") +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, "crc32") +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, "atomics") +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, "fphp asimdhp") +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, "lrcpc") +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, "asimdrdm") +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, "asimddp") +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, "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, "sha1 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, "sha3 sha512") +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, "sm3 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, "asimdfml") +AARCH64_OPT_EXTENSION("fp16fml", AARCH64_FL_F16FML, AARCH64_FL_FP | AARCH64_FL_F16, 0, false, "asimdfml") /* 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, "sve") +AARCH64_OPT_EXTENSION("sve", AARCH64_FL_SVE, AARCH64_FL_FP | AARCH64_FL_SIMD | AARCH64_FL_F16, 0, false, "sve") #undef AARCH64_OPT_EXTENSION |