diff options
| author | Yang Zhong | 2021-04-07 03:56:09 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2021-05-26 14:49:45 +0200 |
| commit | c1826ea6a052084f2e6a0bae9dd5932a727df039 (patch) | |
| tree | eb488f76f291b20cd220ad1132ad54880d166273 /include | |
| parent | hw/mem/nvdimm: Use Kconfig 'imply' instead of 'depends on' (diff) | |
| download | qemu-c1826ea6a052084f2e6a0bae9dd5932a727df039.tar.gz qemu-c1826ea6a052084f2e6a0bae9dd5932a727df039.tar.xz qemu-c1826ea6a052084f2e6a0bae9dd5932a727df039.zip | |
i386/cpu: Expose AVX_VNNI instruction to guest
Expose AVX (VEX-encoded) versions of the Vector Neural Network
Instructions to guest.
The bit definition:
CPUID.(EAX=7,ECX=1):EAX[bit 4] AVX_VNNI
The following instructions are available when this feature is
present in the guest.
1. VPDPBUS: Multiply and Add Unsigned and Signed Bytes
2. VPDPBUSDS: Multiply and Add Unsigned and Signed Bytes with Saturation
3. VPDPWSSD: Multiply and Add Signed Word Integers
4. VPDPWSSDS: Multiply and Add Signed Integers with Saturation
As for the kvm related code, please reference Linux commit id 1085a6b585d7.
The release document ref below link:
https://software.intel.com/content/www/us/en/develop/download/\
intel-architecture-instruction-set-extensions-programming-reference.html
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20210407015609.22936-1-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions