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/xnu-10002.1.13/osfmk/i386/
H A Dfpu.h101 uint32_t mask_hi, mask_lo; in xgetbv() local
102 __asm__ __volatile__ ("xgetbv" : "=a"(mask_lo), "=d"(mask_hi) : "c" (c)); in xgetbv()
103 return ((uint64_t) mask_hi << 32) + (uint64_t) mask_lo; in xgetbv()
107 xsetbv(uint32_t mask_hi, uint32_t mask_lo) in xsetbv() argument
109 __asm__ __volatile__ ("xsetbv" :: "a"(mask_lo), "d"(mask_hi), "c" (XCR0)); in xsetbv()