From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sat, 5 Dec 2020 18:07:09 +0000 (+0100)
Subject: [X86] Autodetect znver3
X-Git-Tag: llvmorg-13-init~4272
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2a136a7a9c68e4818b28bea6051b78a8181ba78e;p=platform%2Fupstream%2Fllvm.git

[X86] Autodetect znver3
---

diff --git a/clang/test/CodeGen/target-builtin-noerror.c b/clang/test/CodeGen/target-builtin-noerror.c
index 50967c6..808f3a0 100644
--- a/clang/test/CodeGen/target-builtin-noerror.c
+++ b/clang/test/CodeGen/target-builtin-noerror.c
@@ -128,4 +128,5 @@ void verifycpustrings() {
   (void)__builtin_cpu_is("westmere");
   (void)__builtin_cpu_is("znver1");
   (void)__builtin_cpu_is("znver2");
+  (void)__builtin_cpu_is("znver3");
 }
diff --git a/compiler-rt/lib/builtins/cpu_model.c b/compiler-rt/lib/builtins/cpu_model.c
index 05ef849..51bedd98 100644
--- a/compiler-rt/lib/builtins/cpu_model.c
+++ b/compiler-rt/lib/builtins/cpu_model.c
@@ -68,6 +68,7 @@ enum ProcessorTypes {
   INTEL_GOLDMONT,
   INTEL_GOLDMONT_PLUS,
   INTEL_TREMONT,
+  AMDFAM19H,
   CPU_TYPE_MAX
 };
 
@@ -97,6 +98,7 @@ enum ProcessorSubtypes {
   INTEL_COREI7_COOPERLAKE,
   INTEL_COREI7_SAPPHIRERAPIDS,
   INTEL_COREI7_ALDERLAKE,
+  AMDFAM19H_ZNVER3,
   CPU_SUBTYPE_MAX
 };
 
@@ -550,6 +552,14 @@ getAMDProcessorTypeAndSubtype(unsigned Family, unsigned Model,
       break; // 00h-0Fh: Zen1
     }
     break;
+  case 25:
+    CPU = "znver3";
+    *Type = AMDFAM19H;
+    if (Model <= 0x0f) {
+      *Subtype = AMDFAM19H_ZNVER3;
+      break; // 00h-0Fh: Zen3
+    }
+    break;
   default:
     break; // Unknown AMD CPU.
   }
diff --git a/llvm/include/llvm/Support/X86TargetParser.def b/llvm/include/llvm/Support/X86TargetParser.def
index c0fe76d..ec19ce4 100644
--- a/llvm/include/llvm/Support/X86TargetParser.def
+++ b/llvm/include/llvm/Support/X86TargetParser.def
@@ -44,6 +44,7 @@ X86_CPU_TYPE(INTEL_KNM,           "knm")
 X86_CPU_TYPE(INTEL_GOLDMONT,      "goldmont")
 X86_CPU_TYPE(INTEL_GOLDMONT_PLUS, "goldmont-plus")
 X86_CPU_TYPE(INTEL_TREMONT,       "tremont")
+X86_CPU_TYPE(AMDFAM19H,           "amdfam19h")
 
 // Alternate names supported by __builtin_cpu_is and target multiversioning.
 X86_CPU_TYPE_ALIAS(INTEL_BONNELL,    "atom")
@@ -86,6 +87,7 @@ X86_CPU_SUBTYPE(INTEL_COREI7_TIGERLAKE,      "tigerlake")
 X86_CPU_SUBTYPE(INTEL_COREI7_COOPERLAKE,     "cooperlake")
 X86_CPU_SUBTYPE(INTEL_COREI7_SAPPHIRERAPIDS, "sapphirerapids")
 X86_CPU_SUBTYPE(INTEL_COREI7_ALDERLAKE,      "alderlake")
+X86_CPU_SUBTYPE(AMDFAM19H_ZNVER3,            "znver3")
 #undef X86_CPU_SUBTYPE
 
 
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index 4fb9392..b179c83 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -964,6 +964,14 @@ getAMDProcessorTypeAndSubtype(unsigned Family, unsigned Model,
       break; // 00h-0Fh: Zen1
     }
     break;
+  case 25:
+    CPU = "znver3";
+    *Type = X86::AMDFAM19H;
+    if (Model <= 0x0f) {
+      *Subtype = X86::AMDFAM19H_ZNVER3;
+      break; // 00h-0Fh: Zen3
+    }
+    break;
   default:
     break; // Unknown AMD CPU.
   }