shithub: libvpx

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Added cpuid compatibility for older MSVC versions

Change-Id: I891bf936e03411ca611620e7cb2eb5081993a346

--- a/vpx_ports/x86.h

+++ b/vpx_ports/x86.h

@@ -71,6 +71,7 @@

 #endif

 #else /* end __SUNPRO__ */

 #if ARCH_X86_64

+#if defined(_MSC_VER) && _MSC_VER > 1500

 void __cpuidex(int CPUInfo[4], int info_type, int ecxvalue);

 #pragma intrinsic(__cpuidex)

 #define cpuid(func, func2, a, b, c, d) do {\

@@ -78,6 +79,15 @@

     __cpuidex(regs, func, func2); \

     a = regs[0];  b = regs[1];  c = regs[2];  d = regs[3];\

   } while(0)

+#else

+void __cpuid(int CPUInfo[4], int info_type);

+#pragma intrinsic(__cpuid)

+#define cpuid(func, func2, a, b, c, d) do {\

+    int regs[4];\

+    __cpuid(regs, func); \

+    a = regs[0];  b = regs[1];  c = regs[2];  d = regs[3];\

+  } while (0)

+#endif

 #else

 #define cpuid(func, func2, a, b, c, d)\

   __asm mov eax, func\

-- 

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