[PATCH] D96220: [X86] Add AMD Renoir (znver2) model number to getHostCPUName and compiler-rt's getAMDProcessorTypeAndSubtype.

[Andreas Mohr via Phabricator via llvm-commits]

and created this revision.
Herald added subscribers: dexonsmith, hiraditya, dberris.
and requested review of this revision.
Herald added projects: Sanitizers, LLVM.
Herald added subscribers: llvm-commits, Sanitizers.

This is the CPUID model used on Ryzen 4000 series (Zen 2/Renoir) CPUs.
https://www.amd.com/system/files/TechDocs/55922-A1-PUB.zip

This patch based on https://reviews.llvm.org/D70279

Signed-off-by: Andreas Mohr <and at gmx.li>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D96220

Files:
  compiler-rt/lib/builtins/cpu_model.c
  llvm/lib/Support/Host.cpp


Index: llvm/lib/Support/Host.cpp
===================================================================
--- llvm/lib/Support/Host.cpp
+++ llvm/lib/Support/Host.cpp
@@ -935,10 +935,10 @@
   case 23:
     CPU = "znver1";
     *Type = X86::AMDFAM17H;
-    if ((Model >= 0x30 && Model <= 0x3f) || Model == 0x71) {
+    if ((Model >= 0x30 && Model <= 0x3f) || Model == 0x60 || Model == 0x71) {
       CPU = "znver2";
       *Subtype = X86::AMDFAM17H_ZNVER2;
-      break; // 30h-3fh, 71h: Zen2
+      break; // 30h-3fh, 60h, 71h: Zen2
     }
     if (Model <= 0x0f) {
       *Subtype = X86::AMDFAM17H_ZNVER1;
Index: compiler-rt/lib/builtins/cpu_model.c
===================================================================
--- compiler-rt/lib/builtins/cpu_model.c
+++ compiler-rt/lib/builtins/cpu_model.c
@@ -542,10 +542,10 @@
   case 23:
     CPU = "znver1";
     *Type = AMDFAM17H;
-    if ((Model >= 0x30 && Model <= 0x3f) || Model == 0x71) {
+    if ((Model >= 0x30 && Model <= 0x3f) || Model == 0x60 || Model == 0x71) {
       CPU = "znver2";
       *Subtype = AMDFAM17H_ZNVER2;
-      break; // 30h-3fh, 71h: Zen2
+      break; // 30h-3fh, 60h, 71h: Zen2
     }
     if (Model <= 0x0f) {
       *Subtype = AMDFAM17H_ZNVER1;


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D96220.321993.patch
Type: text/x-patch
Size: 1220 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210207/045c57c1/attachment.bin>