diff options
Diffstat (limited to 'media/ffvpx/libavutil/x86/cpu.c')
| -rw-r--r-- | media/ffvpx/libavutil/x86/cpu.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/media/ffvpx/libavutil/x86/cpu.c b/media/ffvpx/libavutil/x86/cpu.c index aca893174..f33088c8c 100644 --- a/media/ffvpx/libavutil/x86/cpu.c +++ b/media/ffvpx/libavutil/x86/cpu.c @@ -97,7 +97,6 @@ int ff_get_cpu_flags_x86(void) int max_std_level, max_ext_level, std_caps = 0, ext_caps = 0; int family = 0, model = 0; union { int i[3]; char c[12]; } vendor; - int xcr0_lo = 0, xcr0_hi = 0; if (!cpuid_test()) return 0; /* CPUID not supported */ @@ -133,8 +132,8 @@ int ff_get_cpu_flags_x86(void) /* Check OXSAVE and AVX bits */ if ((ecx & 0x18000000) == 0x18000000) { /* Check for OS support */ - xgetbv(0, xcr0_lo, xcr0_hi); - if ((xcr0_lo & 0x6) == 0x6) { + xgetbv(0, eax, edx); + if ((eax & 0x6) == 0x6) { rval |= AV_CPU_FLAG_AVX; if (ecx & 0x00001000) rval |= AV_CPU_FLAG_FMA3; @@ -148,13 +147,6 @@ int ff_get_cpu_flags_x86(void) #if HAVE_AVX2 if ((rval & AV_CPU_FLAG_AVX) && (ebx & 0x00000020)) rval |= AV_CPU_FLAG_AVX2; -#if HAVE_AVX512 /* F, CD, BW, DQ, VL */ - if ((xcr0_lo & 0xe0) == 0xe0) { /* OPMASK/ZMM state */ - if ((rval & AV_CPU_FLAG_AVX2) && (ebx & 0xd0030000) == 0xd0030000) - rval |= AV_CPU_FLAG_AVX512; - - } -#endif /* HAVE_AVX512 */ #endif /* HAVE_AVX2 */ /* BMI1/2 don't need OS support */ if (ebx & 0x00000008) { @@ -246,8 +238,6 @@ size_t ff_get_cpu_max_align_x86(void) { int flags = av_get_cpu_flags(); - if (flags & AV_CPU_FLAG_AVX512) - return 64; if (flags & (AV_CPU_FLAG_AVX2 | AV_CPU_FLAG_AVX | AV_CPU_FLAG_XOP | |