X64: Implement FixedArrayLength, BoundsCheck, LoadElements,

src/x64/lithium-x64.cc

 // Copyright 2011 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 1307 matching lines @@
 }
 
 
 LInstruction* LChunkBuilder::DoJSArrayLength(HJSArrayLength* instr) {
   Abort("Unimplemented: %s", "DoJSArrayLength");
   return NULL;
 }
 
 
 LInstruction* LChunkBuilder::DoFixedArrayLength(HFixedArrayLength* instr) {
-  Abort("Unimplemented: %s", "DoFixedArrayLength");
-  return NULL;
+  LOperand* array = UseRegisterAtStart(instr->value());
+  return DefineAsRegister(new LFixedArrayLength(array));
 }
 
 
 LInstruction* LChunkBuilder::DoValueOf(HValueOf* instr) {
   Abort("Unimplemented: %s", "DoValueOf");
   return NULL;
 }
 
 
 LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) {
-  Abort("Unimplemented: %s", "DoBoundsCheck");
-  return NULL;
+  return AssignEnvironment(new LBoundsCheck(UseRegisterAtStart(instr->index()),
+                                            Use(instr->length())));
 }
 
 
 LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) {
   // The control instruction marking the end of a block that completed
   // abruptly (e.g., threw an exception).  There is nothing specific to do.
   return NULL;
 }
 
 
@@ skipping 164 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLoadFunctionPrototype(
     HLoadFunctionPrototype* instr) {
   Abort("Unimplemented: %s", "DoLoadFunctionPrototype");
   return NULL;
 }
 
 
 LInstruction* LChunkBuilder::DoLoadElements(HLoadElements* instr) {
-  Abort("Unimplemented: %s", "DoLoadElements");
-  return NULL;
+  LOperand* input = UseRegisterAtStart(instr->value());
+  return DefineSameAsFirst(new LLoadElements(input));
 }
 
 
 LInstruction* LChunkBuilder::DoLoadKeyedFastElement(
     HLoadKeyedFastElement* instr) {
-  Abort("Unimplemented: %s", "DoLoadKeyedFastElement");
-  return NULL;
+  ASSERT(instr->representation().IsTagged());
+  ASSERT(instr->key()->representation().IsInteger32());
+  LOperand* obj = UseRegisterAtStart(instr->object());
+  LOperand* key = UseRegisterAtStart(instr->key());
+  LLoadKeyedFastElement* result = new LLoadKeyedFastElement(obj, key);
+  return AssignEnvironment(DefineSameAsFirst(result));
 }
 
 
 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) {
   Abort("Unimplemented: %s", "DoLoadKeyedGeneric");
   return NULL;
 }
 
 
 LInstruction* LChunkBuilder::DoStoreKeyedFastElement(
@@ skipping 176 matching lines @@
 
 LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) {
   HEnvironment* outer = current_block_->last_environment()->outer();
   current_block_->UpdateEnvironment(outer);
   return NULL;
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64