A64: Synchronize with r18084.

src/x64/lithium-x64.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 1539 matching lines @@
         : UseOrConstantAtStart(right_candidate);
     LAddI* add = new(zone()) LAddI(left, right);
     bool can_overflow = instr->CheckFlag(HValue::kCanOverflow);
     LInstruction* result = use_lea
         ? DefineAsRegister(add)
         : DefineSameAsFirst(add);
     if (can_overflow) {
       result = AssignEnvironment(result);
     }
     return result;
+  } else if (instr->representation().IsExternal()) {
+    ASSERT(instr->left()->representation().IsExternal());
+    ASSERT(instr->right()->representation().IsInteger32());
+    ASSERT(!instr->CheckFlag(HValue::kCanOverflow));
+    bool use_lea = LAddI::UseLea(instr);
+    LOperand* left = UseRegisterAtStart(instr->left());
+    HValue* right_candidate = instr->right();
+    LOperand* right = use_lea
+        ? UseRegisterOrConstantAtStart(right_candidate)
+        : UseOrConstantAtStart(right_candidate);
+    LAddI* add = new(zone()) LAddI(left, right);
+    LInstruction* result = use_lea
+        ? DefineAsRegister(add)
+        : DefineSameAsFirst(add);
+    return result;
   } else if (instr->representation().IsDouble()) {
     return DoArithmeticD(Token::ADD, instr);
   } else {
     return DoArithmeticT(Token::ADD, instr);
   }
   return NULL;
 }
 
 
 LInstruction* LChunkBuilder::DoMathMinMax(HMathMinMax* instr) {
@@ skipping 24 matching lines @@
   ASSERT(instr->left()->representation().IsDouble());
   LOperand* left = UseFixedDouble(instr->left(), xmm2);
   LOperand* right = exponent_type.IsDouble() ?
       UseFixedDouble(instr->right(), xmm1) : UseFixed(instr->right(), rdx);
   LPower* result = new(zone()) LPower(left, right);
   return MarkAsCall(DefineFixedDouble(result, xmm3), instr,
                     CAN_DEOPTIMIZE_EAGERLY);
 }
 
 
-LInstruction* LChunkBuilder::DoRandom(HRandom* instr) {
-  ASSERT(instr->representation().IsDouble());
-  ASSERT(instr->global_object()->representation().IsTagged());
-  LOperand* global_object = UseTempRegister(instr->global_object());
-  LOperand* scratch = TempRegister();
-  LOperand* scratch2 = TempRegister();
-  LOperand* scratch3 = TempRegister();
-  LRandom* result = new(zone()) LRandom(
-      global_object, scratch, scratch2, scratch3);
-  return DefineFixedDouble(result, xmm1);
-}
-
-
 LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) {
   ASSERT(instr->left()->representation().IsTagged());
   ASSERT(instr->right()->representation().IsTagged());
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* left = UseFixed(instr->left(), rdx);
   LOperand* right = UseFixed(instr->right(), rax);
   LCmpT* result = new(zone()) LCmpT(context, left, right);
   return MarkAsCall(DefineFixed(result, rax), instr);
 }
 
@@ skipping 994 matching lines @@
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseTempRegister(instr->index());
   return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64