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authorGravatar Abseil Team <absl-team@google.com>2023-08-29 12:37:48 -0700
committerGravatar Copybara-Service <copybara-worker@google.com>2023-08-29 12:38:40 -0700
commit76930e30986f89868e765cdf26b698eb33bdbaa5 (patch)
treee2b07fc268e1869370c669518d302fd906e2d0ff /absl/crc
parentb13016e55a37757d39c458784ffe5e6be91da1e7 (diff)
Add CPU detection for AMD Genoa and Ryzen 3000
PiperOrigin-RevId: 561108037 Change-Id: Idff65e288384cb55ce69f789db2d9374ae781d3d
Diffstat (limited to 'absl/crc')
-rw-r--r--absl/crc/internal/cpu_detect.cc6
-rw-r--r--absl/crc/internal/cpu_detect.h2
2 files changed, 8 insertions, 0 deletions
diff --git a/absl/crc/internal/cpu_detect.cc b/absl/crc/internal/cpu_detect.cc
index 83838085..8f668e3a 100644
--- a/absl/crc/internal/cpu_detect.cc
+++ b/absl/crc/internal/cpu_detect.cc
@@ -189,8 +189,14 @@ CpuType GetAmdCpuType() {
break;
case 0x19:
switch (model_num) {
+ case 0x0: // Stepping Ax
case 0x1: // Stepping B0
return CpuType::kAmdMilan;
+ case 0x10: // Stepping A0
+ case 0x11: // Stepping B0
+ return CpuType::kAmdGenoa;
+ case 0x44: // Stepping A0
+ return CpuType::kAmdRyzenV3000;
default:
return CpuType::kUnknown;
}
diff --git a/absl/crc/internal/cpu_detect.h b/absl/crc/internal/cpu_detect.h
index 6054f696..945379f5 100644
--- a/absl/crc/internal/cpu_detect.h
+++ b/absl/crc/internal/cpu_detect.h
@@ -29,6 +29,8 @@ enum class CpuType {
kAmdRome,
kAmdNaples,
kAmdMilan,
+ kAmdGenoa,
+ kAmdRyzenV3000,
kIntelCascadelakeXeon,
kIntelSkylakeXeon,
kIntelBroadwell,