[libvirt] [PATCH] cpu: Add support for more AVX512 Intel features
These features are included:
AVX512DQ, AVX512IFMA, AVX512BW, AVX512VL, AVX512VBMI, AVX512_4VNNIW and
AVX512_4FMAPS.
qemu commits: cc728d14 and 95ea69fb
Signed-off-by: Lin Ma <lma(a)suse.com>
---
src/cpu/cpu_map.xml | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/src/cpu/cpu_map.xml b/src/cpu/cpu_map.xml
index 6da8321..e9292e1 100644
--- a/src/cpu/cpu_map.xml
+++ b/src/cpu/cpu_map.xml
@@ -233,6 +233,9 @@
<feature name='avx512f'> <!-- AVX-512 Foundation -->
<cpuid eax_in='0x07' ebx='0x00010000'/>
</feature>
+ <feature name='avx512dq'> <!-- AVX-512 Doubleword & Quadword
Instrs -->
+ <cpuid eax_in='0x07' ebx='0x00020000'/>
+ </feature>
<feature name='rdseed'>
<cpuid eax_in='0x07' ebx='0x00040000'/>
</feature>
@@ -242,6 +245,9 @@
<feature name='smap'>
<cpuid eax_in='0x07' ebx='0x00100000'/>
</feature>
+ <feature name='avx512ifma'> <!-- AVX-512 Integer Fused Multiply Add
-->
+ <cpuid eax_in='0x07' ebx='0x00200000'/>
+ </feature>
<feature name='clflushopt'>
<cpuid eax_in='0x07' ebx='0x00800000'/>
</feature>
@@ -254,6 +260,24 @@
<feature name='avx512cd'> <!-- AVX-512 Conflict Detection -->
<cpuid eax_in='0x07' ebx='0x10000000'/>
</feature>
+ <feature name='avx512bw'> <!-- AVX-512 Byte and Word Instructions
-->
+ <cpuid eax_in='0x07' ebx='0x40000000'/>
+ </feature>
+ <feature name='avx512vl'> <!-- AVX-512 Vector Length Extensions
-->
+ <cpuid eax_in='0x07' ebx='0x80000000'/>
+ </feature>
+
+ <feature name='avx512vbmi'> <!-- AVX-512 Vector Byte Manipulation
Instrs -->
+ <cpuid eax_in='0x07' ecx='0x00000002'/>
+ </feature>
+
+ <feature name='avx512-4vnniw'> <!-- AVX-512 Neural Network
Instructions -->
+ <cpuid eax_in='0x07' edx='0x00000004'/>
+ </feature>
+ <!-- AVX-512 Multiply Accumulation Single Precision -->
+ <feature name='avx512-4fmaps'>
+ <cpuid eax_in='0x07' edx='0x00000008'/>
+ </feature>
<!-- Processor Extended State Enumeration sub leaf 1 -->
<feature name='xsaveopt'>
--
2.9.2