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| author | John Ericson <git@JohnEricson.me> | 2020-09-01 22:31:16 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-09-01 22:31:16 -0400 |
| commit | 1965a241fc2476ff63e8b97019a3db58707a8325 (patch) | |
| tree | 7e5efc37712cd6e72c85ee08a5b2a6965c3b4f6a /lib | |
| parent | 54eacc77f7e8fd20db467f1363fee937ca8f5fa1 (diff) | |
| parent | c5fe132b3c5da5044c01a9bd4aa4ab45795cb9e6 (diff) | |
Merge pull request #61019 from volth/gcc.arch-amd
platform.gcc.arch: support for AMD CPUs
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/systems/architectures.nix | 77 | ||||
| -rw-r--r-- | lib/systems/default.nix | 2 |
2 files changed, 79 insertions, 0 deletions
diff --git a/lib/systems/architectures.nix b/lib/systems/architectures.nix new file mode 100644 index 000000000000..9d1c29fd9f0b --- /dev/null +++ b/lib/systems/architectures.nix @@ -0,0 +1,77 @@ +{ lib }: + +rec { + # platform.gcc.arch to its features (as in /proc/cpuinfo) + features = { + default = [ ]; + # x86_64 Intel + westmere = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" ]; + sandybridge = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" ]; + ivybridge = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" ]; + haswell = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "fma" ]; + broadwell = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "fma" ]; + skylake = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "fma" ]; + skylake-avx512 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "avx512" "fma" ]; + # x86_64 AMD + btver1 = [ "sse3" "ssse3" "sse4_1" "sse4_2" ]; + btver2 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" ]; + bdver1 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "fma" "fma4" ]; + bdver2 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "fma" "fma4" ]; + bdver3 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "fma" "fma4" ]; + bdver4 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2" "fma" "fma4" ]; + znver1 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2" "fma" ]; + znver2 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2" "fma" ]; + # other + armv5te = [ ]; + armv6 = [ ]; + armv7-a = [ ]; + armv8-a = [ ]; + mips32 = [ ]; + loongson2f = [ ]; + }; + + # a superior CPU has all the features of an inferior and is able to build and test code for it + inferiors = { + # x86_64 Intel + default = [ ]; + westmere = [ ]; + sandybridge = [ "westmere" ] ++ inferiors.westmere; + ivybridge = [ "sandybridge" ] ++ inferiors.sandybridge; + haswell = [ "ivybridge" ] ++ inferiors.ivybridge; + broadwell = [ "haswell" ] ++ inferiors.haswell; + skylake = [ "broadwell" ] ++ inferiors.broadwell; + skylake-avx512 = [ "skylake" ] ++ inferiors.skylake; + # x86_64 AMD + btver1 = [ ]; + btver2 = [ ]; # TODO: fill this (need testing) + bdver1 = [ ]; # TODO: fill this (need testing) + bdver2 = [ ]; # TODO: fill this (need testing) + bdver3 = [ ]; # TODO: fill this (need testing) + bdver4 = [ ]; # TODO: fill this (need testing) + znver1 = [ ]; # TODO: fill this (need testing) + znver2 = [ ]; # TODO: fill this (need testing) + # other + armv5te = [ ]; + armv6 = [ ]; + armv7-a = [ ]; + armv8-a = [ ]; + mips32 = [ ]; + loongson2f = [ ]; + }; + + predicates = let + featureSupport = feature: x: builtins.elem feature features.${x}; + in { + sse3Support = featureSupport "sse3"; + ssse3Support = featureSupport "ssse3"; + sse4_1Support = featureSupport "sse4_1"; + sse4_2Support = featureSupport "sse4_2"; + sse4_aSupport = featureSupport "sse4a"; + avxSupport = featureSupport "avx"; + avx2Support = featureSupport "avx2"; + avx512Support = featureSupport "avx512"; + aesSupport = featureSupport "aes"; + fmaSupport = featureSupport "fma"; + fma4Support = featureSupport "fma4"; + }; +} diff --git a/lib/systems/default.nix b/lib/systems/default.nix index 09884d406823..9939743157e7 100644 --- a/lib/systems/default.nix +++ b/lib/systems/default.nix @@ -7,6 +7,7 @@ rec { inspect = import ./inspect.nix { inherit lib; }; platforms = import ./platforms.nix { inherit lib; }; examples = import ./examples.nix { inherit lib; }; + architectures = import ./architectures.nix { inherit lib; }; # Elaborate a `localSystem` or `crossSystem` so that it contains everything # necessary. @@ -126,6 +127,7 @@ rec { else throw "Don't know how to run ${final.config} executables."; } // mapAttrs (n: v: v final.parsed) inspect.predicates + // mapAttrs (n: v: v final.platform.gcc.arch or "default") architectures.predicates // args; in assert final.useAndroidPrebuilt -> final.isAndroid; assert lib.foldl |