Commit 1de6f546 authored by Randell Jesup's avatar Randell Jesup
Browse files

Bug 977791: Change libyuv conditional for using _xgetbv() on Windows r=glandium

parent 3bbbbb2e

media/libyuv/source/cpu_id.cc

+2 −2
Original line number Diff line number Diff line
@@ -95,8 +95,8 @@ void CpuId(uint32 info_eax, uint32 info_ecx, uint32* cpu_info) { 
// X86 CPUs have xgetbv to detect OS saves high parts of ymm registers.

int TestOsSaveYmm() {

  uint32 xcr0 = 0u;

#if defined(_MSC_VER) && (_MSC_FULL_VER >= 160040219)

  xcr0 = (uint32)(_xgetbv(0));  // VS2010 SP1 required.

#if defined(_MSC_VER) && defined(_XCR_XFEATURE_ENABLED_MASK)

  xcr0 = (uint32)(_xgetbv(_XCR_XFEATURE_ENABLED_MASK));

#elif defined(_M_IX86)

  __asm {

    xor        ecx, ecx    // xcr 0