[PS5] Set default cpu to znver2, with no tuning

Author: pogo59

clang/lib/Driver/ToolChains/Arch/X86.cpp

@@ -88,9 +88,11 @@ std::string x86::getX86TargetCPU(const Driver &D, const ArgList &Args,
     return Is64Bit ? "core2" : "yonah";
   }
 
-  // Set up default CPU name for PS4 compilers.
+  // Set up default CPU name for PS4/PS5 compilers.
   if (Triple.isPS4())
     return "btver2";
+  if (Triple.isPS5())
+    return "znver2";
 
   // On Android use targets compatible with gcc
   if (Triple.isAndroid())

clang/lib/Driver/ToolChains/Clang.cpp

@@ -2296,10 +2296,10 @@ void Clang::AddX86TargetArgs(const ArgList &Args,
 
   // Handle -mtune.
 
-  // Default to "generic" unless -march is present or targetting the PS4.
+  // Default to "generic" unless -march is present or targetting the PS4/PS5.
   std::string TuneCPU;
   if (!Args.hasArg(clang::driver::options::OPT_march_EQ) &&
-      !getToolChain().getTriple().isPS4())
+      !getToolChain().getTriple().isPS())
     TuneCPU = "generic";
 
   // Override based on -mtune.

clang/test/Driver/ps4-cpu-defaults.cpp

@@ -1,7 +1,10 @@
 // Check that on the PS4 we default to:
-// -target-cpu btver2, no exceptions and not -tune-cpu generic
+// -target-cpu btver2, not -tune-cpu generic
+// And on the PS5 we default to:
+// -target-cpu znver2, not -tune-cpu generic
 
-// RUN: %clang -target x86_64-scei-ps4 -c %s -### 2>&1 | FileCheck %s
-// CHECK: "-target-cpu" "btver2"
-// CHECK-NOT: exceptions
-// CHECK-NOT: "-tune-cpu"
+// RUN: %clang -target x86_64-scei-ps4 -c %s -### 2>&1 | FileCheck --check-prefixes=PS4,BOTH %s
+// RUN: %clang -target x86_64-sie-ps5 -c %s -### 2>&1 | FileCheck --check-prefixes=PS5,BOTH %s
+// PS4: "-target-cpu" "btver2"
+// PS5: "-target-cpu" "znver2"
+// BOTH-NOT: "-tune-cpu"