Contribution of PowerPC port (continuation of 422063005)

src/base/cpu.h

Index: src/base/cpu.h
diff --git a/src/base/cpu.h b/src/base/cpu.h
index 8c41f9d77a776739d5643bf317e6c3c6233a5a0e..38465f5b358f6654c8f4d28bdb5ce40954e41bbd 100644
--- a/src/base/cpu.h
+++ b/src/base/cpu.h
@@ -50,6 +50,8 @@ class CPU FINAL {
   int variant() const { return variant_; }
   static const int NVIDIA_DENVER = 0x0;
   int part() const { return part_; }
+
+  // ARM-specific part codes
   static const int ARM_CORTEX_A5 = 0xc05;
   static const int ARM_CORTEX_A7 = 0xc07;
   static const int ARM_CORTEX_A8 = 0xc08;
@@ -57,6 +59,17 @@ class CPU FINAL {
   static const int ARM_CORTEX_A12 = 0xc0c;
   static const int ARM_CORTEX_A15 = 0xc0f;
 
+  // PPC-specific part codes
+  enum {
+    PPC_POWER5,
+    PPC_POWER6,
+    PPC_POWER7,
+    PPC_POWER8,
+    PPC_G4,
+    PPC_G5,
+    PPC_PA6T
+  };
+
   // General features
   bool has_fpu() const { return has_fpu_; }