diff options
| author | volth <volth@volth.com> | 2020-08-05 02:32:41 +0000 |
|---|---|---|
| committer | volth <volth@volth.com> | 2020-08-05 11:18:26 +0000 |
| commit | cf7b63df5b9efdef4e8e1b3261d7040199f7e671 (patch) | |
| tree | 74dbf7a1731896d48e90671f2b3dfb4dff91ec40 /lib/systems | |
| parent | 463db72e631e0bd4a835796324eb1981071c6ee4 (diff) | |
gcc.arch: refactor, move tables under lib/
Diffstat (limited to 'lib/systems')
| -rw-r--r-- | lib/systems/architectures.nix | 75 | ||||
| -rw-r--r-- | lib/systems/default.nix | 2 |
2 files changed, 77 insertions, 0 deletions
diff --git a/lib/systems/architectures.nix b/lib/systems/architectures.nix new file mode 100644 index 000000000000..287f5be03c45 --- /dev/null +++ b/lib/systems/architectures.nix @@ -0,0 +1,75 @@ +{ 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" ]; + ivybridge = [ "westmere" "sandybridge" ]; + haswell = [ "westmere" "sandybridge" "ivybridge" ]; + broadwell = [ "westmere" "sandybridge" "ivybridge" "haswell" ]; + skylake = [ "westmere" "sandybridge" "ivybridge" "haswell" "broadwell" ]; + skylake-avx512 = [ "westmere" "sandybridge" "ivybridge" "haswell" "broadwell" "skylake" ]; + # x86_64 AMD + btver1 = [ ]; + btver2 = [ ]; + bdver1 = [ ]; + bdver2 = [ ]; + bdver3 = [ ]; + bdver4 = [ ]; + znver1 = [ ]; + znver2 = [ ]; + # other + armv5te = [ ]; + armv6 = [ ]; + armv7-a = [ ]; + armv8-a = [ ]; + mips32 = [ ]; + loongson2f = [ ]; + }; + + predicates = { + sse3Support = x: builtins.elem "sse3" features.${x}; + ssse3Support = x: builtins.elem "ssse3" features.${x}; + sse4_1Support = x: builtins.elem "sse4_1" features.${x}; + sse4_2Support = x: builtins.elem "sse4_2" features.${x}; + sse4_aSupport = x: builtins.elem "sse4a" features.${x}; + avxSupport = x: builtins.elem "avx" features.${x}; + avx2Support = x: builtins.elem "avx2" features.${x}; + avx512Support = x: builtins.elem "avx512" features.${x}; + aesSupport = x: builtins.elem "aes" features.${x}; + fmaSupport = x: builtins.elem "fma" features.${x}; + fma4Support = x: builtins.elem "fma4" features.${x}; + }; +} diff --git a/lib/systems/default.nix b/lib/systems/default.nix index c929781dd8ff..02d58592b325 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. @@ -125,6 +126,7 @@ 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 |