Contribution of PowerPC port (continuation of 422063005)

src/ppc/assembler-ppc.cc

 // 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 64 matching lines @@
   if (cpu.part() == base::CPU::PPC_POWER6 ||
       cpu.part() == base::CPU::PPC_POWER7 ||
       cpu.part() == base::CPU::PPC_POWER8) {
     supported_ |= (1u << LWSYNC);
   }
 #if V8_OS_LINUX
   if (!(cpu.part() == base::CPU::PPC_G5 || cpu.part() == base::CPU::PPC_G4)) {
     // Assume support
     supported_ |= (1u << FPU);
   }
-  if (cpu.cache_line_size() != 0) {
-    cache_line_size_ = cpu.cache_line_size();
-  }
 #elif V8_OS_AIX
   // Assume support FP support and default cache line size
   supported_ |= (1u << FPU);
 #endif
 #else  // Simulator
   supported_ |= (1u << FPU);
   supported_ |= (1u << LWSYNC);
 #if V8_TARGET_ARCH_PPC64
   supported_ |= (1u << FPR_GPR_MOV);
 #endif
@@ skipping 1317 matching lines @@
     DCHECK(mcode < F_NEXT_AVAILABLE_STUB_MARKER);
     emit(FAKE_OPCODE | MARKER_SUBOPCODE | mcode);
   }
 }
 
 
 // Function descriptor for AIX.
 // Code address skips the function descriptor "header".
 // TOC and static chain are ignored and set to 0.
 void Assembler::function_descriptor() {
+#if ABI_USES_FUNCTION_DESCRIPTORS
   DCHECK(pc_offset() == 0);
   RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE);
   emit_ptr(reinterpret_cast<uintptr_t>(pc_) + 3 * kPointerSize);
   emit_ptr(0);
   emit_ptr(0);
+#endif
 }
 
 
 #if ABI_USES_FUNCTION_DESCRIPTORS || V8_OOL_CONSTANT_POOL
 void Assembler::RelocateInternalReference(Address pc, intptr_t delta,
                                           Address code_start,
                                           ICacheFlushMode icache_flush_mode) {
   DCHECK(delta || code_start);
 #if ABI_USES_FUNCTION_DESCRIPTORS
   uintptr_t* fd = reinterpret_cast<uintptr_t*>(pc);
@@ skipping 1044 matching lines @@
 
     // Patch load instruction with correct offset.
     Assembler::SetConstantPoolOffset(rinfo.pc(), offset);
   }
 }
 #endif
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_PPC