blob: bfecaec1ae889b99c1b69c0d2a937b0e79424c40 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
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} 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";
};
}
|
