1 /* Get CPU type and Features for x86 processors.
2    Copyright (C) 2012-2019 Free Software Foundation, Inc.
3    Contributed by Sriraman Tallam (tmsriram@google.com)
4 
5 This file is part of GCC.
6 
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
10 version.
11 
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15 for more details.
16 
17 Under Section 7 of GPL version 3, you are granted additional
18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
20 
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
24 <http://www.gnu.org/licenses/>.  */
25 
26 /* Processor Vendor and Models. */
27 
28 enum processor_vendor
29 {
30   VENDOR_INTEL = 1,
31   VENDOR_AMD,
32   VENDOR_OTHER,
33   VENDOR_MAX
34 };
35 
36 /* Any new types or subtypes have to be inserted at the end. */
37 
38 enum processor_types
39 {
40   INTEL_BONNELL = 1,
41   INTEL_CORE2,
42   INTEL_COREI7,
43   AMDFAM10H,
44   AMDFAM15H,
45   INTEL_SILVERMONT,
46   INTEL_KNL,
47   AMD_BTVER1,
48   AMD_BTVER2,
49   AMDFAM17H,
50   INTEL_KNM,
51   INTEL_GOLDMONT,
52   INTEL_GOLDMONT_PLUS,
53   INTEL_TREMONT,
54   CPU_TYPE_MAX
55 };
56 
57 enum processor_subtypes
58 {
59   INTEL_COREI7_NEHALEM = 1,
60   INTEL_COREI7_WESTMERE,
61   INTEL_COREI7_SANDYBRIDGE,
62   AMDFAM10H_BARCELONA,
63   AMDFAM10H_SHANGHAI,
64   AMDFAM10H_ISTANBUL,
65   AMDFAM15H_BDVER1,
66   AMDFAM15H_BDVER2,
67   AMDFAM15H_BDVER3,
68   AMDFAM15H_BDVER4,
69   AMDFAM17H_ZNVER1,
70   INTEL_COREI7_IVYBRIDGE,
71   INTEL_COREI7_HASWELL,
72   INTEL_COREI7_BROADWELL,
73   INTEL_COREI7_SKYLAKE,
74   INTEL_COREI7_SKYLAKE_AVX512,
75   INTEL_COREI7_CANNONLAKE,
76   INTEL_COREI7_ICELAKE_CLIENT,
77   INTEL_COREI7_ICELAKE_SERVER,
78   AMDFAM17H_ZNVER2,
79   INTEL_COREI7_CASCADELAKE,
80   INTEL_COREI7_TIGERLAKE,
81   CPU_SUBTYPE_MAX
82 };
83 
84 /* ISA Features supported. New features have to be inserted at the end.  */
85 
86 enum processor_features
87 {
88   FEATURE_CMOV = 0,
89   FEATURE_MMX,
90   FEATURE_POPCNT,
91   FEATURE_SSE,
92   FEATURE_SSE2,
93   FEATURE_SSE3,
94   FEATURE_SSSE3,
95   FEATURE_SSE4_1,
96   FEATURE_SSE4_2,
97   FEATURE_AVX,
98   FEATURE_AVX2,
99   FEATURE_SSE4_A,
100   FEATURE_FMA4,
101   FEATURE_XOP,
102   FEATURE_FMA,
103   FEATURE_AVX512F,
104   FEATURE_BMI,
105   FEATURE_BMI2,
106   FEATURE_AES,
107   FEATURE_PCLMUL,
108   FEATURE_AVX512VL,
109   FEATURE_AVX512BW,
110   FEATURE_AVX512DQ,
111   FEATURE_AVX512CD,
112   FEATURE_AVX512ER,
113   FEATURE_AVX512PF,
114   FEATURE_AVX512VBMI,
115   FEATURE_AVX512IFMA,
116   FEATURE_AVX5124VNNIW,
117   FEATURE_AVX5124FMAPS,
118   FEATURE_AVX512VPOPCNTDQ,
119   FEATURE_AVX512VBMI2,
120   FEATURE_GFNI,
121   FEATURE_VPCLMULQDQ,
122   FEATURE_AVX512VNNI,
123   FEATURE_AVX512BITALG
124 };
125 
126 extern struct __processor_model
127 {
128   unsigned int __cpu_vendor;
129   unsigned int __cpu_type;
130   unsigned int __cpu_subtype;
131   unsigned int __cpu_features[1];
132 } __cpu_model;
133 extern unsigned int __cpu_features2;
134