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WinRT build fix for ARM platforms 

The _xgetbv intrinsic was being used in ARM builds of SDL/WinRT, which was
leading to linker errors.  This commit limits _xgetbv use to the platforms on
which it is available, x86 and x64.
This commit is contained in:
David Ludwig 2014-08-10 22:21:21 -04:00
parent 6fef39d6b8
commit ff5caa1721
1 changed files with 1 additions and 1 deletions
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2
src/cpuinfo/SDL_cpuinfo.c
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@ -246,7 +246,7 @@ CPU_OSSavesYMM(void)
a = 0; a = 0;
#if defined(__GNUC__) && (defined(i386) || defined(__x86_64__)) #if defined(__GNUC__) && (defined(i386) || defined(__x86_64__))
asm(".byte 0x0f, 0x01, 0xd0" : "=a" (a) : "c" (0) : "%edx"); asm(".byte 0x0f, 0x01, 0xd0" : "=a" (a) : "c" (0) : "%edx");
#elif defined(_MSC_VER) && (_MSC_FULL_VER >= 160040219) /* VS2010 SP1 */ #elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64)) && (_MSC_FULL_VER >= 160040219) /* VS2010 SP1 */
a = (int)_xgetbv(0); a = (int)_xgetbv(0);
#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
__asm __asm