| Message ID | 20210818064131.1706832-2-jianhua.wu@intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | [FFmpeg-devel,v2,1/2] configure: set IceLake-AVX512 as the minimum baseline | expand |
| Context | Check | Description |
|---|---|---|
| andriy/x86_make | success | Make finished |
| andriy/x86_make_fate | success | Make fate finished |
| andriy/PPC64_make | success | Make finished |
| andriy/PPC64_make_fate | success | Make fate finished |
Ping. > -----Original Message----- > From: Wu, Jianhua <jianhua.wu@intel.com> > Sent: Wednesday, August 18, 2021 2:42 PM > To: ffmpeg-devel@ffmpeg.org > Cc: Wu, Jianhua <jianhua.wu@intel.com> > Subject: [PATCH v2 2/2] libavutil/x86/cpu.c: add IceLake-AVX512 runtime > check > > Signed-off-by: Wu Jianhua <jianhua.wu@intel.com> > --- > libavutil/x86/cpu.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/libavutil/x86/cpu.c b/libavutil/x86/cpu.c index > bcd41a50a2..9e6015cf31 100644 > --- a/libavutil/x86/cpu.c > +++ b/libavutil/x86/cpu.c > @@ -148,11 +148,10 @@ 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 HAVE_AVX512 /* > +F/CD/BW/DQ/VL/VNNI/IFMA/VBMI/VBMI2/VPOPCNTDQ/BITALG/GFNI/V > AES/VPCLMULQD > +Q */ > if ((xcr0_lo & 0xe0) == 0xe0) { /* OPMASK/ZMM state */ > - if ((rval & AV_CPU_FLAG_AVX2) && (ebx & 0xd0030000) == > 0xd0030000) > + if ((rval & AV_CPU_FLAG_AVX2) && (ebx & 0xd0230000) == > + 0xd0230000 && (ecx & 0x5f42) == 0x5f42) > rval |= AV_CPU_FLAG_AVX512; > - > } > #endif /* HAVE_AVX512 */ > #endif /* HAVE_AVX2 */ > -- > 2.25.1 Any update of review on this patchset? Jianhua
diff --git a/libavutil/x86/cpu.c b/libavutil/x86/cpu.c index bcd41a50a2..9e6015cf31 100644 --- a/libavutil/x86/cpu.c +++ b/libavutil/x86/cpu.c @@ -148,11 +148,10 @@ 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 HAVE_AVX512 /* F/CD/BW/DQ/VL/VNNI/IFMA/VBMI/VBMI2/VPOPCNTDQ/BITALG/GFNI/VAES/VPCLMULQDQ */ if ((xcr0_lo & 0xe0) == 0xe0) { /* OPMASK/ZMM state */ - if ((rval & AV_CPU_FLAG_AVX2) && (ebx & 0xd0030000) == 0xd0030000) + if ((rval & AV_CPU_FLAG_AVX2) && (ebx & 0xd0230000) == 0xd0230000 && (ecx & 0x5f42) == 0x5f42) rval |= AV_CPU_FLAG_AVX512; - } #endif /* HAVE_AVX512 */ #endif /* HAVE_AVX2 */
Signed-off-by: Wu Jianhua <jianhua.wu@intel.com> --- libavutil/x86/cpu.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)