Add X32 port into V8

src/lithium.cc

 // Copyright 2012 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 17 matching lines @@
 #include "v8.h"
 #include "lithium.h"
 #include "scopes.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "ia32/lithium-ia32.h"
 #include "ia32/lithium-codegen-ia32.h"
 #elif V8_TARGET_ARCH_X64
 #include "x64/lithium-x64.h"
 #include "x64/lithium-codegen-x64.h"
+#elif V8_TARGET_ARCH_X32
+#include "x32/lithium-x32.h"
+#include "x32/lithium-codegen-x32.h"
 #elif V8_TARGET_ARCH_ARM
 #include "arm/lithium-arm.h"
 #include "arm/lithium-codegen-arm.h"
 #elif V8_TARGET_ARCH_MIPS
 #include "mips/lithium-mips.h"
 #include "mips/lithium-codegen-mips.h"
 #else
 #error "Unknown architecture."
 #endif
 
@@ skipping 214 matching lines @@
   return 0;
 }
 
 
 int StackSlotOffset(int index) {
   if (index >= 0) {
     // Local or spill slot. Skip the frame pointer, function, and
     // context in the fixed part of the frame.
     return -(index + 3) * kPointerSize;
   } else {
+#ifndef V8_TARGET_ARCH_X32

[danno, 2013/07/17 13:33:21]

Eliminate this ifdef through use of constants discussed previously

     // Incoming parameter. Skip the return address.
     return -(index - 1) * kPointerSize;
+#else
+    return -index * kPointerSize - 1 * kPointerSize + 2 * kHWRegSize;
+#endif
   }
 }
 
 
 LChunk::LChunk(CompilationInfo* info, HGraph* graph)
     : spill_slot_count_(0),
       info_(info),
       graph_(graph),
       instructions_(32, graph->zone()),
       pointer_maps_(8, graph->zone()),
@@ skipping 208 matching lines @@
 
 
 LPhase::~LPhase() {
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceLithium(name(), chunk_);
   }
 }
 
 
 } }  // namespace v8::internal