1 /* Get CPU type and Features for x86 processors.
2    Copyright (C) 2012-2021 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_CENTAUR,
34   VENDOR_CYRIX,
35   VENDOR_NSC,
36   BUILTIN_VENDOR_MAX = VENDOR_OTHER,
37   VENDOR_MAX
38 };
39 
40 /* Any new types or subtypes have to be inserted at the end. */
41 
42 enum processor_types
43 {
44   INTEL_BONNELL = 1,
45   INTEL_CORE2,
46   INTEL_COREI7,
47   AMDFAM10H,
48   AMDFAM15H,
49   INTEL_SILVERMONT,
50   INTEL_KNL,
51   AMD_BTVER1,
52   AMD_BTVER2,
53   AMDFAM17H,
54   INTEL_KNM,
55   INTEL_GOLDMONT,
56   INTEL_GOLDMONT_PLUS,
57   INTEL_TREMONT,
58   AMDFAM19H,
59   CPU_TYPE_MAX,
60   BUILTIN_CPU_TYPE_MAX = CPU_TYPE_MAX
61 };
62 
63 enum processor_subtypes
64 {
65   INTEL_COREI7_NEHALEM = 1,
66   INTEL_COREI7_WESTMERE,
67   INTEL_COREI7_SANDYBRIDGE,
68   AMDFAM10H_BARCELONA,
69   AMDFAM10H_SHANGHAI,
70   AMDFAM10H_ISTANBUL,
71   AMDFAM15H_BDVER1,
72   AMDFAM15H_BDVER2,
73   AMDFAM15H_BDVER3,
74   AMDFAM15H_BDVER4,
75   AMDFAM17H_ZNVER1,
76   INTEL_COREI7_IVYBRIDGE,
77   INTEL_COREI7_HASWELL,
78   INTEL_COREI7_BROADWELL,
79   INTEL_COREI7_SKYLAKE,
80   INTEL_COREI7_SKYLAKE_AVX512,
81   INTEL_COREI7_CANNONLAKE,
82   INTEL_COREI7_ICELAKE_CLIENT,
83   INTEL_COREI7_ICELAKE_SERVER,
84   AMDFAM17H_ZNVER2,
85   INTEL_COREI7_CASCADELAKE,
86   INTEL_COREI7_TIGERLAKE,
87   INTEL_COREI7_COOPERLAKE,
88   INTEL_COREI7_SAPPHIRERAPIDS,
89   INTEL_COREI7_ALDERLAKE,
90   AMDFAM19H_ZNVER3,
91   INTEL_COREI7_ROCKETLAKE,
92   CPU_SUBTYPE_MAX
93 };
94 
95 /* Priority of i386 features, greater value is higher priority.   This is
96    used to decide the order in which function dispatch must happen.  For
97    instance, a version specialized for SSE4.2 should be checked for dispatch
98    before a version for SSE3, as SSE4.2 implies SSE3.  */
99 enum feature_priority
100 {
101   P_NONE = 0,
102   P_MMX,
103   P_SSE,
104   P_SSE2,
105   P_SSE3,
106   P_SSSE3,
107   P_PROC_SSSE3,
108   P_SSE4_A,
109   P_PROC_SSE4_A,
110   P_SSE4_1,
111   P_SSE4_2,
112   P_PROC_SSE4_2,
113   P_POPCNT,
114   P_AES,
115   P_PCLMUL,
116   P_AVX,
117   P_PROC_AVX,
118   P_BMI,
119   P_PROC_BMI,
120   P_FMA4,
121   P_XOP,
122   P_PROC_XOP,
123   P_FMA,
124   P_PROC_FMA,
125   P_BMI2,
126   P_AVX2,
127   P_PROC_AVX2,
128   P_AVX512F,
129   P_PROC_AVX512F,
130   P_PROC_DYNAMIC
131 };
132 
133 /* ISA Features supported. New features have to be inserted at the end.  */
134 
135 enum processor_features
136 {
137   FEATURE_CMOV = 0,
138   FEATURE_MMX,
139   FEATURE_POPCNT,
140   FEATURE_SSE,
141   FEATURE_SSE2,
142   FEATURE_SSE3,
143   FEATURE_SSSE3,
144   FEATURE_SSE4_1,
145   FEATURE_SSE4_2,
146   FEATURE_AVX,
147   FEATURE_AVX2,
148   FEATURE_SSE4_A,
149   FEATURE_FMA4,
150   FEATURE_XOP,
151   FEATURE_FMA,
152   FEATURE_AVX512F,
153   FEATURE_BMI,
154   FEATURE_BMI2,
155   FEATURE_AES,
156   FEATURE_PCLMUL,
157   FEATURE_AVX512VL,
158   FEATURE_AVX512BW,
159   FEATURE_AVX512DQ,
160   FEATURE_AVX512CD,
161   FEATURE_AVX512ER,
162   FEATURE_AVX512PF,
163   FEATURE_AVX512VBMI,
164   FEATURE_AVX512IFMA,
165   FEATURE_AVX5124VNNIW,
166   FEATURE_AVX5124FMAPS,
167   FEATURE_AVX512VPOPCNTDQ,
168   FEATURE_AVX512VBMI2,
169   FEATURE_GFNI,
170   FEATURE_VPCLMULQDQ,
171   FEATURE_AVX512VNNI,
172   FEATURE_AVX512BITALG,
173   FEATURE_AVX512BF16,
174   FEATURE_AVX512VP2INTERSECT,
175   FEATURE_3DNOW,
176   FEATURE_3DNOWP,
177   FEATURE_ADX,
178   FEATURE_ABM,
179   FEATURE_CLDEMOTE,
180   FEATURE_CLFLUSHOPT,
181   FEATURE_CLWB,
182   FEATURE_CLZERO,
183   FEATURE_CMPXCHG16B,
184   FEATURE_CMPXCHG8B,
185   FEATURE_ENQCMD,
186   FEATURE_F16C,
187   FEATURE_FSGSBASE,
188   FEATURE_FXSAVE,
189   FEATURE_HLE,
190   FEATURE_IBT,
191   FEATURE_LAHF_LM,
192   FEATURE_LM,
193   FEATURE_LWP,
194   FEATURE_LZCNT,
195   FEATURE_MOVBE,
196   FEATURE_MOVDIR64B,
197   FEATURE_MOVDIRI,
198   FEATURE_MWAITX,
199   FEATURE_OSXSAVE,
200   FEATURE_PCONFIG,
201   FEATURE_PKU,
202   FEATURE_PREFETCHWT1,
203   FEATURE_PRFCHW,
204   FEATURE_PTWRITE,
205   FEATURE_RDPID,
206   FEATURE_RDRND,
207   FEATURE_RDSEED,
208   FEATURE_RTM,
209   FEATURE_SERIALIZE,
210   FEATURE_SGX,
211   FEATURE_SHA,
212   FEATURE_SHSTK,
213   FEATURE_TBM,
214   FEATURE_TSXLDTRK,
215   FEATURE_VAES,
216   FEATURE_WAITPKG,
217   FEATURE_WBNOINVD,
218   FEATURE_XSAVE,
219   FEATURE_XSAVEC,
220   FEATURE_XSAVEOPT,
221   FEATURE_XSAVES,
222   FEATURE_AMX_TILE,
223   FEATURE_AMX_INT8,
224   FEATURE_AMX_BF16,
225   FEATURE_UINTR,
226   FEATURE_HRESET,
227   FEATURE_KL,
228   FEATURE_AESKLE,
229   FEATURE_WIDEKL,
230   FEATURE_AVXVNNI,
231   CPU_FEATURE_MAX
232 };
233 
234 /* Size of __cpu_features2 array in libgcc/config/i386/cpuinfo.c.  */
235 #define SIZE_OF_CPU_FEATURES ((CPU_FEATURE_MAX - 1) / 32)
236 
237 /* These are the values for vendor types, cpu types and subtypes.  Cpu
238    types and subtypes should be subtracted by the corresponding start
239    value.  */
240 
241 #define M_CPU_TYPE_START (BUILTIN_VENDOR_MAX)
242 #define M_CPU_SUBTYPE_START \
243   (M_CPU_TYPE_START + BUILTIN_CPU_TYPE_MAX)
244 #define M_VENDOR(a) (a)
245 #define M_CPU_TYPE(a) (M_CPU_TYPE_START + a)
246 #define M_CPU_SUBTYPE(a) (M_CPU_SUBTYPE_START + a)
247