Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/i386/cpuid.h @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Mon, 24 May 2010 12:47:05 +0900 |
parents | 77e2b8dfacca |
children | f6334be47118 |
rev | line source |
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0 | 1 /* |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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2 * Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
0 | 3 * |
4 * This file is free software; you can redistribute it and/or modify it | |
5 * under the terms of the GNU General Public License as published by the | |
6 * Free Software Foundation; either version 3, or (at your option) any | |
7 * later version. | |
8 * | |
9 * This file is distributed in the hope that it will be useful, but | |
10 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 * General Public License for more details. | |
13 * | |
14 * Under Section 7 of GPL version 3, you are granted additional | |
15 * permissions described in the GCC Runtime Library Exception, version | |
16 * 3.1, as published by the Free Software Foundation. | |
17 * | |
18 * You should have received a copy of the GNU General Public License and | |
19 * a copy of the GCC Runtime Library Exception along with this program; | |
20 * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
21 * <http://www.gnu.org/licenses/>. | |
22 */ | |
23 | |
24 /* %ecx */ | |
25 #define bit_SSE3 (1 << 0) | |
26 #define bit_PCLMUL (1 << 1) | |
27 #define bit_SSSE3 (1 << 9) | |
28 #define bit_FMA (1 << 12) | |
29 #define bit_CMPXCHG16B (1 << 13) | |
30 #define bit_SSE4_1 (1 << 19) | |
31 #define bit_SSE4_2 (1 << 20) | |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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32 #define bit_MOVBE (1 << 22) |
0 | 33 #define bit_POPCNT (1 << 23) |
34 #define bit_AES (1 << 25) | |
35 #define bit_XSAVE (1 << 26) | |
36 #define bit_OSXSAVE (1 << 27) | |
37 #define bit_AVX (1 << 28) | |
38 | |
39 /* %edx */ | |
40 #define bit_CMPXCHG8B (1 << 8) | |
41 #define bit_CMOV (1 << 15) | |
42 #define bit_MMX (1 << 23) | |
43 #define bit_FXSAVE (1 << 24) | |
44 #define bit_SSE (1 << 25) | |
45 #define bit_SSE2 (1 << 26) | |
46 | |
47 /* Extended Features */ | |
48 /* %ecx */ | |
49 #define bit_LAHF_LM (1 << 0) | |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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50 #define bit_ABM (1 << 5) |
0 | 51 #define bit_SSE4a (1 << 6) |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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52 #define bit_XOP (1 << 11) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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53 #define bit_LWP (1 << 15) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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54 #define bit_FMA4 (1 << 16) |
0 | 55 |
56 /* %edx */ | |
57 #define bit_LM (1 << 29) | |
58 #define bit_3DNOWP (1 << 30) | |
59 #define bit_3DNOW (1 << 31) | |
60 | |
61 | |
62 #if defined(__i386__) && defined(__PIC__) | |
63 /* %ebx may be the PIC register. */ | |
64 #if __GNUC__ >= 3 | |
65 #define __cpuid(level, a, b, c, d) \ | |
66 __asm__ ("xchg{l}\t{%%}ebx, %1\n\t" \ | |
67 "cpuid\n\t" \ | |
68 "xchg{l}\t{%%}ebx, %1\n\t" \ | |
69 : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \ | |
70 : "0" (level)) | |
71 | |
72 #define __cpuid_count(level, count, a, b, c, d) \ | |
73 __asm__ ("xchg{l}\t{%%}ebx, %1\n\t" \ | |
74 "cpuid\n\t" \ | |
75 "xchg{l}\t{%%}ebx, %1\n\t" \ | |
76 : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \ | |
77 : "0" (level), "2" (count)) | |
78 #else | |
79 /* Host GCCs older than 3.0 weren't supporting Intel asm syntax | |
80 nor alternatives in i386 code. */ | |
81 #define __cpuid(level, a, b, c, d) \ | |
82 __asm__ ("xchgl\t%%ebx, %1\n\t" \ | |
83 "cpuid\n\t" \ | |
84 "xchgl\t%%ebx, %1\n\t" \ | |
85 : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \ | |
86 : "0" (level)) | |
87 | |
88 #define __cpuid_count(level, count, a, b, c, d) \ | |
89 __asm__ ("xchgl\t%%ebx, %1\n\t" \ | |
90 "cpuid\n\t" \ | |
91 "xchgl\t%%ebx, %1\n\t" \ | |
92 : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \ | |
93 : "0" (level), "2" (count)) | |
94 #endif | |
95 #else | |
96 #define __cpuid(level, a, b, c, d) \ | |
97 __asm__ ("cpuid\n\t" \ | |
98 : "=a" (a), "=b" (b), "=c" (c), "=d" (d) \ | |
99 : "0" (level)) | |
100 | |
101 #define __cpuid_count(level, count, a, b, c, d) \ | |
102 __asm__ ("cpuid\n\t" \ | |
103 : "=a" (a), "=b" (b), "=c" (c), "=d" (d) \ | |
104 : "0" (level), "2" (count)) | |
105 #endif | |
106 | |
107 /* Return highest supported input value for cpuid instruction. ext can | |
108 be either 0x0 or 0x8000000 to return highest supported value for | |
109 basic or extended cpuid information. Function returns 0 if cpuid | |
110 is not supported or whatever cpuid returns in eax register. If sig | |
111 pointer is non-null, then first four bytes of the signature | |
112 (as found in ebx register) are returned in location pointed by sig. */ | |
113 | |
114 static __inline unsigned int | |
115 __get_cpuid_max (unsigned int __ext, unsigned int *__sig) | |
116 { | |
117 unsigned int __eax, __ebx, __ecx, __edx; | |
118 | |
119 #ifndef __x86_64__ | |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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120 /* See if we can use cpuid. On AMD64 we always can. */ |
0 | 121 #if __GNUC__ >= 3 |
122 __asm__ ("pushf{l|d}\n\t" | |
123 "pushf{l|d}\n\t" | |
124 "pop{l}\t%0\n\t" | |
125 "mov{l}\t{%0, %1|%1, %0}\n\t" | |
126 "xor{l}\t{%2, %0|%0, %2}\n\t" | |
127 "push{l}\t%0\n\t" | |
128 "popf{l|d}\n\t" | |
129 "pushf{l|d}\n\t" | |
130 "pop{l}\t%0\n\t" | |
131 "popf{l|d}\n\t" | |
132 : "=&r" (__eax), "=&r" (__ebx) | |
133 : "i" (0x00200000)); | |
134 #else | |
135 /* Host GCCs older than 3.0 weren't supporting Intel asm syntax | |
136 nor alternatives in i386 code. */ | |
137 __asm__ ("pushfl\n\t" | |
138 "pushfl\n\t" | |
139 "popl\t%0\n\t" | |
140 "movl\t%0, %1\n\t" | |
141 "xorl\t%2, %0\n\t" | |
142 "pushl\t%0\n\t" | |
143 "popfl\n\t" | |
144 "pushfl\n\t" | |
145 "popl\t%0\n\t" | |
146 "popfl\n\t" | |
147 : "=&r" (__eax), "=&r" (__ebx) | |
148 : "i" (0x00200000)); | |
149 #endif | |
150 | |
151 if (!((__eax ^ __ebx) & 0x00200000)) | |
152 return 0; | |
153 #endif | |
154 | |
155 /* Host supports cpuid. Return highest supported cpuid input value. */ | |
156 __cpuid (__ext, __eax, __ebx, __ecx, __edx); | |
157 | |
158 if (__sig) | |
159 *__sig = __ebx; | |
160 | |
161 return __eax; | |
162 } | |
163 | |
164 /* Return cpuid data for requested cpuid level, as found in returned | |
165 eax, ebx, ecx and edx registers. The function checks if cpuid is | |
166 supported and returns 1 for valid cpuid information or 0 for | |
167 unsupported cpuid level. All pointers are required to be non-null. */ | |
168 | |
169 static __inline int | |
170 __get_cpuid (unsigned int __level, | |
171 unsigned int *__eax, unsigned int *__ebx, | |
172 unsigned int *__ecx, unsigned int *__edx) | |
173 { | |
174 unsigned int __ext = __level & 0x80000000; | |
175 | |
176 if (__get_cpuid_max (__ext, 0) < __level) | |
177 return 0; | |
178 | |
179 __cpuid (__level, *__eax, *__ebx, *__ecx, *__edx); | |
180 return 1; | |
181 } |