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comparison src/cpuinfo/SDL_cpuinfo.c @ 3587:2080e8d75ac6

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Implemented 64-bit version of cpuid code
author Sam Lantinga <slouken@libsdl.org>
date Thu, 17 Dec 2009 04:01:29 +0000
parents b6758aee0dd4
children 1a4456a01995
comparison
equal deleted inserted replaced
3586:b6758aee0dd4 3587:2080e8d75ac6
155 #endif 155 #endif
156 /* *INDENT-ON* */ 156 /* *INDENT-ON* */
157 return has_CPUID; 157 return has_CPUID;
158 } 158 }
159 159
160 #if defined(__GNUC__) && (defined(i386) || defined(__x86_64__)) 160 #if defined(__GNUC__) && defined(i386)
161 #define cpuid(func, a, b, c, d) \ 161 #define cpuid(func, a, b, c, d) \
162 __asm__ __volatile__ ( \ 162 __asm__ __volatile__ ( \
163 " pushl %%ebx \n" \ 163 " pushl %%ebx \n" \
164 " cpuid \n" \ 164 " cpuid \n" \
165 " movl %%ebx, %%esi \n" \ 165 " movl %%ebx, %%esi \n" \
166 " popl %%ebx \n" : \ 166 " popl %%ebx \n" : \
167 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
168 #elif defined(__GNUC__) && defined(__x86_64__)
169 #define cpuid(func, a, b, c, d) \
170 __asm__ __volatile__ ( \
171 " pushq %%rbx \n" \
172 " cpuid \n" \
173 " movq %%rbx, %%rsi \n" \
174 " popq %%rbx \n" : \
167 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func)) 175 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
168 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) 176 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
169 #define cpuid(func, a, b, c, d) \ 177 #define cpuid(func, a, b, c, d) \
170 __asm { \ 178 __asm { \
171 __asm mov eax, func \ 179 __asm mov eax, func \