Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/i386/cpuid.h @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | b7f97abdc517 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
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) | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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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) | |
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67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
38 #define bit_F16C (1 << 29) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
39 #define bit_RDRND (1 << 30) |
| 0 | 40 |
| 41 /* %edx */ | |
| 42 #define bit_CMPXCHG8B (1 << 8) | |
| 43 #define bit_CMOV (1 << 15) | |
| 44 #define bit_MMX (1 << 23) | |
| 45 #define bit_FXSAVE (1 << 24) | |
| 46 #define bit_SSE (1 << 25) | |
| 47 #define bit_SSE2 (1 << 26) | |
| 48 | |
| 49 /* Extended Features */ | |
| 50 /* %ecx */ | |
| 51 #define bit_LAHF_LM (1 << 0) | |
|
55
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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52 #define bit_ABM (1 << 5) |
| 0 | 53 #define bit_SSE4a (1 << 6) |
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55
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_XOP (1 << 11) |
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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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55 #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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56 #define bit_FMA4 (1 << 16) |
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67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
57 #define bit_TBM (1 << 21) |
| 0 | 58 |
| 59 /* %edx */ | |
| 60 #define bit_LM (1 << 29) | |
| 61 #define bit_3DNOWP (1 << 30) | |
| 62 #define bit_3DNOW (1 << 31) | |
| 63 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
64 /* Extended Features (%eax == 7) */ |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
65 #define bit_FSGSBASE (1 << 0) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
66 #define bit_BMI (1 << 3) |
| 0 | 67 |
| 68 #if defined(__i386__) && defined(__PIC__) | |
| 69 /* %ebx may be the PIC register. */ | |
| 70 #if __GNUC__ >= 3 | |
| 71 #define __cpuid(level, a, b, c, d) \ | |
| 72 __asm__ ("xchg{l}\t{%%}ebx, %1\n\t" \ | |
| 73 "cpuid\n\t" \ | |
| 74 "xchg{l}\t{%%}ebx, %1\n\t" \ | |
| 75 : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \ | |
| 76 : "0" (level)) | |
| 77 | |
| 78 #define __cpuid_count(level, count, a, b, c, d) \ | |
| 79 __asm__ ("xchg{l}\t{%%}ebx, %1\n\t" \ | |
| 80 "cpuid\n\t" \ | |
| 81 "xchg{l}\t{%%}ebx, %1\n\t" \ | |
| 82 : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \ | |
| 83 : "0" (level), "2" (count)) | |
| 84 #else | |
| 85 /* Host GCCs older than 3.0 weren't supporting Intel asm syntax | |
| 86 nor alternatives in i386 code. */ | |
| 87 #define __cpuid(level, a, b, c, d) \ | |
| 88 __asm__ ("xchgl\t%%ebx, %1\n\t" \ | |
| 89 "cpuid\n\t" \ | |
| 90 "xchgl\t%%ebx, %1\n\t" \ | |
| 91 : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \ | |
| 92 : "0" (level)) | |
| 93 | |
| 94 #define __cpuid_count(level, count, a, b, c, d) \ | |
| 95 __asm__ ("xchgl\t%%ebx, %1\n\t" \ | |
| 96 "cpuid\n\t" \ | |
| 97 "xchgl\t%%ebx, %1\n\t" \ | |
| 98 : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \ | |
| 99 : "0" (level), "2" (count)) | |
| 100 #endif | |
| 101 #else | |
| 102 #define __cpuid(level, a, b, c, d) \ | |
| 103 __asm__ ("cpuid\n\t" \ | |
| 104 : "=a" (a), "=b" (b), "=c" (c), "=d" (d) \ | |
| 105 : "0" (level)) | |
| 106 | |
| 107 #define __cpuid_count(level, count, a, b, c, d) \ | |
| 108 __asm__ ("cpuid\n\t" \ | |
| 109 : "=a" (a), "=b" (b), "=c" (c), "=d" (d) \ | |
| 110 : "0" (level), "2" (count)) | |
| 111 #endif | |
| 112 | |
| 113 /* Return highest supported input value for cpuid instruction. ext can | |
| 114 be either 0x0 or 0x8000000 to return highest supported value for | |
| 115 basic or extended cpuid information. Function returns 0 if cpuid | |
| 116 is not supported or whatever cpuid returns in eax register. If sig | |
| 117 pointer is non-null, then first four bytes of the signature | |
| 118 (as found in ebx register) are returned in location pointed by sig. */ | |
| 119 | |
| 120 static __inline unsigned int | |
| 121 __get_cpuid_max (unsigned int __ext, unsigned int *__sig) | |
| 122 { | |
| 123 unsigned int __eax, __ebx, __ecx, __edx; | |
| 124 | |
| 125 #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
|
126 /* See if we can use cpuid. On AMD64 we always can. */ |
| 0 | 127 #if __GNUC__ >= 3 |
| 128 __asm__ ("pushf{l|d}\n\t" | |
| 129 "pushf{l|d}\n\t" | |
| 130 "pop{l}\t%0\n\t" | |
| 131 "mov{l}\t{%0, %1|%1, %0}\n\t" | |
| 132 "xor{l}\t{%2, %0|%0, %2}\n\t" | |
| 133 "push{l}\t%0\n\t" | |
| 134 "popf{l|d}\n\t" | |
| 135 "pushf{l|d}\n\t" | |
| 136 "pop{l}\t%0\n\t" | |
| 137 "popf{l|d}\n\t" | |
| 138 : "=&r" (__eax), "=&r" (__ebx) | |
| 139 : "i" (0x00200000)); | |
| 140 #else | |
| 141 /* Host GCCs older than 3.0 weren't supporting Intel asm syntax | |
| 142 nor alternatives in i386 code. */ | |
| 143 __asm__ ("pushfl\n\t" | |
| 144 "pushfl\n\t" | |
| 145 "popl\t%0\n\t" | |
| 146 "movl\t%0, %1\n\t" | |
| 147 "xorl\t%2, %0\n\t" | |
| 148 "pushl\t%0\n\t" | |
| 149 "popfl\n\t" | |
| 150 "pushfl\n\t" | |
| 151 "popl\t%0\n\t" | |
| 152 "popfl\n\t" | |
| 153 : "=&r" (__eax), "=&r" (__ebx) | |
| 154 : "i" (0x00200000)); | |
| 155 #endif | |
| 156 | |
| 157 if (!((__eax ^ __ebx) & 0x00200000)) | |
| 158 return 0; | |
| 159 #endif | |
| 160 | |
| 161 /* Host supports cpuid. Return highest supported cpuid input value. */ | |
| 162 __cpuid (__ext, __eax, __ebx, __ecx, __edx); | |
| 163 | |
| 164 if (__sig) | |
| 165 *__sig = __ebx; | |
| 166 | |
| 167 return __eax; | |
| 168 } | |
| 169 | |
| 170 /* Return cpuid data for requested cpuid level, as found in returned | |
| 171 eax, ebx, ecx and edx registers. The function checks if cpuid is | |
| 172 supported and returns 1 for valid cpuid information or 0 for | |
| 173 unsupported cpuid level. All pointers are required to be non-null. */ | |
| 174 | |
| 175 static __inline int | |
| 176 __get_cpuid (unsigned int __level, | |
| 177 unsigned int *__eax, unsigned int *__ebx, | |
| 178 unsigned int *__ecx, unsigned int *__edx) | |
| 179 { | |
| 180 unsigned int __ext = __level & 0x80000000; | |
| 181 | |
| 182 if (__get_cpuid_max (__ext, 0) < __level) | |
| 183 return 0; | |
| 184 | |
| 185 __cpuid (__level, *__eax, *__ebx, *__ecx, *__edx); | |
| 186 return 1; | |
| 187 } |