X64 Crankshaft: Ported lots of boilerplate code.

src/x64/assembler-x64.cc

 // Copyright 2010 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 168 matching lines @@
 void RelocInfo::PatchCode(byte* instructions, int instruction_count) {
   // Patch the code at the current address with the supplied instructions.
   for (int i = 0; i < instruction_count; i++) {
     *(pc_ + i) = *(instructions + i);
   }
 
   // Indicate that code has changed.
   CPU::FlushICache(pc_, instruction_count);
 }
 
+
+// -----------------------------------------------------------------------------
+// Register constants.
+
+const int Register::registerCodeByAllocationIndex[kNumAllocatableRegisters] = {
+    // rax, rbx, rdx, rcx, rdi, r8, r9, r11, r14, r12
+    0, 3, 2, 1, 7, 8, 9, 11, 14, 12
+};
+
+const int Register::allocationIndexByRegisterCode[kNumRegisters] = {
+    0, 3, 2, 1, -1, -1, -1, 4, 5, 6, -1, 7, 9, -1, 8, -1
+};
+
+
 // -----------------------------------------------------------------------------
 // Implementation of Operand
 
 Operand::Operand(Register base, int32_t disp) : rex_(0) {
   len_ = 1;
   if (base.is(rsp) || base.is(r12)) {
     // SIB byte is needed to encode (rsp + offset) or (r12 + offset).
     set_sib(times_1, rsp, base);
   }
 
@@ skipping 2788 matching lines @@
   // specially coded on x64 means that it is a relative 32 bit address, as used
   // by branch instructions.
   return (1 << rmode_) & kApplyMask;
 }
 
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64