diff options
| author | Cathy Zhang <cathy.zhang@intel.com> | 2020-04-13 14:52:38 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-06-10 12:10:27 -0400 |
| commit | 353f98c9ad52ff4b8cfe553c90be04f747a14c98 (patch) | |
| tree | 9bba0c487797641b43e752af185eb3925489d61b /target/i386/cpu.h | |
| parent | c781a2cc423155079acf45e5ce79e6635f109fc4 (diff) | |
x86/cpu: Enable AVX512_VP2INTERSECT cpu feature
AVX512_VP2INTERSECT compute vector pair intersection to a pair
of mask registers, which is introduced with intel Tiger Lake,
defining as CPUID.(EAX=7,ECX=0):EDX[bit 08].
Refer to the following release spec:
https://software.intel.com/sites/default/files/managed/c5/15/\
architecture-instruction-set-extensions-programming-reference.pdf
Signed-off-by: Cathy Zhang <cathy.zhang@intel.com>
Message-Id: <1586760758-13638-1-git-send-email-cathy.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/cpu.h')
| -rw-r--r-- | target/i386/cpu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 37572bd437..100476ee89 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -772,6 +772,8 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS]; #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Multiply Accumulation Single Precision */ #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) +/* AVX512 Vector Pair Intersection to a Pair of Mask Registers */ +#define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8) /* Speculation Control */ #define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Single Thread Indirect Branch Predictors */ |