build: rework x86 CPU variants

Type: improvement
Change-Id: Ief243f88e654e578ef9b8060fcf535b364aececb
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 14 insertions, 3 deletions

diff --git a/src/vppinfra/cpu.h b/src/vppinfra/cpu.h
index 7bd5dfe9722..dc73c90ca34 100644
--- a/src/vppinfra/cpu.h
+++ b/src/vppinfra/cpu.h
@@ -132,6 +132,9 @@ _ (x86_aes,  1, ecx, 25)  \
 _ (sha,      7, ebx, 29)  \
 _ (vaes,     7, ecx, 9)   \
 _ (vpclmulqdq, 7, ecx, 10)   \
+_ (avx512_vnni, 7, ecx, 11)   \
+_ (avx512_bitalg, 7, ecx, 12)   \
+_ (avx512_vpopcntdq, 7, ecx, 14)   \
 _ (invariant_tsc, 0x80000007, edx, 8)
 
 
@@ -245,15 +248,23 @@ clib_cpu_supports_aes ()
 }
 
 static inline int
-clib_cpu_march_priority_avx512 ()
+clib_cpu_march_priority_icl ()
+{
+  if (clib_cpu_supports_avx512_bitalg ())
+    return 200;
+  return -1;
+}
+
+static inline int
+clib_cpu_march_priority_skx ()
 {
   if (clib_cpu_supports_avx512f ())
-    return 20;
+    return 100;
   return -1;
 }
 
 static inline int
-clib_cpu_march_priority_avx2 ()
+clib_cpu_march_priority_hsw ()
 {
   if (clib_cpu_supports_avx2 ())
     return 50;