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Merge pull request #239120 from LibreCybernetics/arch-stuff

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Artturi 2023-07-05 00:20:25 +03:00 committed by GitHub
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2 changed files with 42 additions and 13 deletions
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39
lib/systems/architectures.nix
View file

@ -3,8 +3,15 @@
rec {
# gcc.arch to its features (as in /proc/cpuinfo)
features = {
# x86_64 Generic
# Spec: https://gitlab.com/x86-psABIs/x86-64-ABI/
default = [ ];
x86-64 = [ ];
x86-64-v2 = [ "sse3" "ssse3" "sse4_1" "sse4_2" ];
x86-64-v3 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "avx" "avx2" "fma" ];
x86-64-v4 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "avx" "avx2" "avx512" "fma" ];
# x86_64 Intel
nehalem = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" ];
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" ];
@ -41,22 +48,32 @@ rec {
# a superior CPU has all the features of an inferior and is able to build and test code for it
inferiors = {
# x86_64 Generic
default = [ ];
x86-64 = [ ];
x86-64-v2 = [ "x86-64" ];
x86-64-v3 = [ "x86-64-v2" ] ++ inferiors.x86-64-v2;
x86-64-v4 = [ "x86-64-v3" ] ++ inferiors.x86-64-v3;
# x86_64 Intel
# https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
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;
nehalem = [ "x86-64-v2" ] ++ inferiors.x86-64-v2;
westmere = [ "nehalem" ] ++ inferiors.nehalem;
sandybridge = [ "westmere" ] ++ inferiors.westmere;
ivybridge = [ "sandybridge" ] ++ inferiors.sandybridge;
haswell = lib.unique ([ "ivybridge" "x86-64-v3" ] ++ inferiors.ivybridge ++ inferiors.x86-64-v3);
broadwell = [ "haswell" ] ++ inferiors.haswell;
skylake = [ "broadwell" ] ++ inferiors.broadwell;
skylake-avx512 = lib.unique ([ "skylake" "x86-64-v4" ] ++ inferiors.skylake ++ inferiors.x86-64-v4);
cannonlake = [ "skylake-avx512" ] ++ inferiors.skylake-avx512;
icelake-client = [ "cannonlake" ] ++ inferiors.cannonlake;
icelake-server = [ "icelake-client" ] ++ inferiors.icelake-client;
cascadelake = [ "skylake-avx512" ] ++ inferiors.cannonlake;
cascadelake = [ "cannonlake" ] ++ inferiors.cannonlake;
cooperlake = [ "cascadelake" ] ++ inferiors.cascadelake;
tigerlake = [ "icelake-server" ] ++ inferiors.icelake-server;
# CX16 does not exist on alderlake, while it does on nearly all other intel CPUs
alderlake = [ ];
@ -87,10 +104,10 @@ rec {
# https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
# https://en.wikichip.org/wiki/amd/microarchitectures/zen
# https://en.wikichip.org/wiki/intel/microarchitectures/skylake
znver1 = [ "skylake" ] ++ inferiors.skylake;
znver1 = [ "skylake" ] ++ inferiors.skylake; # Includes haswell and x86-64-v3
znver2 = [ "znver1" ] ++ inferiors.znver1;
znver3 = [ "znver2" ] ++ inferiors.znver2;
znver4 = [ "znver3" ] ++ inferiors.znver3;
znver4 = lib.unique ([ "znver3" "x86-64-v4" ] ++ inferiors.znver3 ++ inferiors.x86-64-v4);
# other
armv5te = [ ];

16
pkgs/build-support/cc-wrapper/default.nix
View file

@ -106,7 +106,12 @@ let
isGccArchSupported = arch:
if targetPlatform.isPower then false else # powerpc does not allow -march=
if isGNU then
{ # Intel
{ # Generic
x86-64-v2 = versionAtLeast ccVersion "11.0";
x86-64-v3 = versionAtLeast ccVersion "11.0";
x86-64-v4 = versionAtLeast ccVersion "11.0";
# Intel
skylake = versionAtLeast ccVersion "6.0";
skylake-avx512 = versionAtLeast ccVersion "6.0";
cannonlake = versionAtLeast ccVersion "8.0";
@ -117,6 +122,7 @@ let
tigerlake = versionAtLeast ccVersion "10.0";
knm = versionAtLeast ccVersion "8.0";
alderlake = versionAtLeast ccVersion "12.0";
# AMD
znver1 = versionAtLeast ccVersion "6.0";
znver2 = versionAtLeast ccVersion "9.0";
@ -124,12 +130,18 @@ let
znver4 = versionAtLeast ccVersion "13.0";
}.${arch} or true
else if isClang then
{ # Intel
{ #Generic
x86-64-v2 = versionAtLeast ccVersion "12.0";
x86-64-v3 = versionAtLeast ccVersion "12.0";
x86-64-v4 = versionAtLeast ccVersion "12.0";
# Intel
cannonlake = versionAtLeast ccVersion "5.0";
icelake-client = versionAtLeast ccVersion "7.0";
icelake-server = versionAtLeast ccVersion "7.0";
knm = versionAtLeast ccVersion "7.0";
alderlake = versionAtLeast ccVersion "16.0";
# AMD
znver1 = versionAtLeast ccVersion "4.0";
znver2 = versionAtLeast ccVersion "9.0";