PPC: Cleanup ABI-specifc code.

src/ppc/assembler-ppc.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 28 matching lines @@
 
 #ifndef V8_PPC_ASSEMBLER_PPC_H_
 #define V8_PPC_ASSEMBLER_PPC_H_
 
 #include <stdio.h>
 #include <vector>
 
 #include "src/assembler.h"
 #include "src/ppc/constants-ppc.h"
 
-#define ABI_USES_FUNCTION_DESCRIPTORS \
-  (V8_HOST_ARCH_PPC && (V8_OS_AIX ||    \
-                      (V8_TARGET_ARCH_PPC64 && V8_TARGET_BIG_ENDIAN)))
+#if V8_HOST_ARCH_PPC && \
+    (V8_OS_AIX || (V8_TARGET_ARCH_PPC64 && V8_TARGET_BIG_ENDIAN))
+#define ABI_USES_FUNCTION_DESCRIPTORS 1
+#else
+#define ABI_USES_FUNCTION_DESCRIPTORS 0
+#endif
 
-#define ABI_PASSES_HANDLES_IN_REGS \
-  (!V8_HOST_ARCH_PPC || V8_OS_AIX || V8_TARGET_ARCH_PPC64)
+#if !V8_HOST_ARCH_PPC || V8_OS_AIX || V8_TARGET_ARCH_PPC64
+#define ABI_PASSES_HANDLES_IN_REGS 1
+#else
+#define ABI_PASSES_HANDLES_IN_REGS 0
+#endif
 
 #if !V8_HOST_ARCH_PPC || !V8_TARGET_ARCH_PPC64 || V8_TARGET_LITTLE_ENDIAN
 #define ABI_RETURNS_OBJECT_PAIRS_IN_REGS 1
 #else
 #define ABI_RETURNS_OBJECT_PAIRS_IN_REGS 0
 #endif
 
 #if !V8_HOST_ARCH_PPC || (V8_TARGET_ARCH_PPC64 && V8_TARGET_LITTLE_ENDIAN)
 #define ABI_CALL_VIA_IP 1
 #else
 #define ABI_CALL_VIA_IP 0
 #endif
 
 #if !V8_HOST_ARCH_PPC || V8_OS_AIX || V8_TARGET_ARCH_PPC64
-#define ABI_TOC_REGISTER Register::kCode_r2
+#define ABI_TOC_REGISTER 2
 #else
-#define ABI_TOC_REGISTER Register::kCode_r13
+#define ABI_TOC_REGISTER 13
 #endif
 
 #define INSTR_AND_DATA_CACHE_COHERENCY LWSYNC
 
 namespace v8 {
 namespace internal {
 
 // clang-format off
 #define GENERAL_REGISTERS(V)                              \
   V(r0)  V(sp)  V(r2)  V(r3)  V(r4)  V(r5)  V(r6)  V(r7)  \
@@ skipping 1387 matching lines @@
 
 
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) { assembler->CheckBuffer(); }
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PPC_ASSEMBLER_PPC_H_