Contribution of PowerPC port.

src/full-codegen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_FULL_CODEGEN_H_
 #define V8_FULL_CODEGEN_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
@@ skipping 94 matching lines @@
 #elif V8_TARGET_ARCH_X64
   static const int kCodeSizeMultiplier = 170;
   static const int kBootCodeSizeMultiplier = 140;
 #elif V8_TARGET_ARCH_ARM
   static const int kCodeSizeMultiplier = 149;
   static const int kBootCodeSizeMultiplier = 110;
 #elif V8_TARGET_ARCH_ARM64
 // TODO(all): Copied ARM value. Check this is sensible for ARM64.
   static const int kCodeSizeMultiplier = 149;
   static const int kBootCodeSizeMultiplier = 110;
+#elif V8_TARGET_ARCH_PPC64
+// TODO(all): Check this is sensible for PPC64.
+  static const int kCodeSizeMultiplier = 142;
+  static const int kBootCodeSizeMultiplier = 175;
+#elif V8_TARGET_ARCH_PPC
+// TODO(all): Check this is sensible for PPC.
+  static const int kCodeSizeMultiplier = 142;
+  static const int kBootCodeSizeMultiplier = 130;
 #elif V8_TARGET_ARCH_MIPS
   static const int kCodeSizeMultiplier = 149;
   static const int kBootCodeSizeMultiplier = 120;
 #elif V8_TARGET_ARCH_MIPS64
   static const int kCodeSizeMultiplier = 149;
   static const int kBootCodeSizeMultiplier = 120;
 #else
 #error Unsupported target architecture.
 #endif
 
@@ skipping 198 matching lines @@
              Label* if_true,
              Label* if_false,
              Label* fall_through);
 #elif V8_TARGET_ARCH_MIPS64
   void Split(Condition cc,
              Register lhs,
              const Operand&  rhs,
              Label* if_true,
              Label* if_false,
              Label* fall_through);
-#else  // All non-mips arch.
+#elif V8_TARGET_ARCH_PPC
+  void Split(Condition cc,
+             Label* if_true,
+             Label* if_false,
+             Label* fall_through,
+             CRegister cr = cr7);
+#else  // All other arch.
   void Split(Condition cc,
              Label* if_true,
              Label* if_false,
              Label* fall_through);
-#endif  // V8_TARGET_ARCH_MIPS
+#endif
 
   // Load the value of a known (PARAMETER, LOCAL, or CONTEXT) variable into
   // a register.  Emits a context chain walk if if necessary (so does
   // SetVar) so avoid calling both on the same variable.
   void GetVar(Register destination, Variable* var);
 
   // Assign to a known (PARAMETER, LOCAL, or CONTEXT) variable.  If it's in
   // the context, the write barrier will be emitted and source, scratch0,
   // scratch1 will be clobbered.  Emits a context chain walk if if necessary
   // (so does GetVar) so avoid calling both on the same variable.
@@ skipping 593 matching lines @@
 
   Address start_;
   Address instruction_start_;
   uint32_t length_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_