forked from mirrors/nixpkgs
8f3efbde4e
This occurs when using a `platform.gcc.arch` that isn't one of the pre-existing hard-coded options.
78 lines
3.6 KiB
Nix
78 lines
3.6 KiB
Nix
{ 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} or [];
|
|
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";
|
|
};
|
|
}
|