Add entries for Neoverse N2,V1, and V2 into CRC dynamic dispatch table.

PiperOrigin-RevId: 571430428
Change-Id: I4777c37c5287d26a75f37fe059324ac218878f0e

1 files changed, 20 insertions, 5 deletions

diff --git a/absl/crc/internal/cpu_detect.cc b/absl/crc/internal/cpu_detect.cc
index b3078137..d7eedd1c 100644
--- a/absl/crc/internal/cpu_detect.cc
+++ b/absl/crc/internal/cpu_detect.cc
@@ -243,11 +243,26 @@ CpuType GetCpuType() {
     ABSL_INTERNAL_AARCH64_ID_REG_READ(MIDR_EL1, midr);
     uint32_t implementer = (midr >> 24) & 0xff;
     uint32_t part_number = (midr >> 4) & 0xfff;
-    if (implementer == 0x41 && part_number == 0xd0c) {
-      return CpuType::kArmNeoverseN1;
-    }
-    if (implementer == 0xc0 && part_number == 0xac3) {
-      return CpuType::kAmpereSiryn;
+    switch (implementer) {
+      case 0x41:
+        switch (part_number) {
+          case 0xd0c: return CpuType::kArmNeoverseN1;
+          case 0xd40: return CpuType::kArmNeoverseV1;
+          case 0xd49: return CpuType::kArmNeoverseN2;
+          case 0xd4f: return CpuType::kArmNeoverseV2;
+          default:
+            return CpuType::kUnknown;
+        }
+        break;
+      case 0xc0:
+        switch (part_number) {
+          case 0xac3: return CpuType::kAmpereSiryn;
+          default:
+            return CpuType::kUnknown;
+        }
+        break;
+      default:
+        return CpuType::kUnknown;
     }
   }
   return CpuType::kUnknown;