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Implemented 64-bit version of cpuid code
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src/cpuinfo/SDL_cpuinfo.c
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@@ -157,14 +157,22 @@ CPUid by definition. But it's nice to be able to prove it. :) */ |
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return has_CPUID; |
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} |
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#if defined(__GNUC__) && (defined(i386) || defined(__x86_64__)) |
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#if defined(__GNUC__) && defined(i386) |
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#define cpuid(func, a, b, c, d) \ |
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__asm__ __volatile__ ( \ |
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" pushl %%ebx \n" \ |
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" cpuid \n" \ |
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" movl %%ebx, %%esi \n" \ |
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" popl %%ebx \n" : \ |
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"=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func)) |
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#elif defined(__GNUC__) && defined(__x86_64__) |
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#define cpuid(func, a, b, c, d) \ |
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__asm__ __volatile__ ( \ |
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" pushq %%rbx \n" \ |
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" cpuid \n" \ |
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" movq %%rbx, %%rsi \n" \ |
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" popq %%rbx \n" : \ |
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"=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func)) |
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#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) |
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#define cpuid(func, a, b, c, d) \ |
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__asm { \ |
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