x64: Add MulI and DivI to lithium instructions.

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 1244 matching lines @@
   return DoBit(Token::BIT_OR, instr);
 }
 
 
 LInstruction* LChunkBuilder::DoBitXor(HBitXor* instr) {
   return DoBit(Token::BIT_XOR, instr);
 }
 
 
 LInstruction* LChunkBuilder::DoDiv(HDiv* instr) {
-  Abort("Unimplemented: %s", "DoDiv");
-  return NULL;
+  if (instr->representation().IsDouble()) {
+    return DoArithmeticD(Token::DIV, instr);
+  } else if (instr->representation().IsInteger32()) {
+    // The temporary operand is necessary to ensure that right is not allocated
+    // into rdx.
+    LOperand* temp = FixedTemp(rdx);
+    LOperand* value = UseFixed(instr->left(), rax);

[William Hesse, 2011/02/08 09:42:47]

Dividend might be a more specific name than value.

[Rico, 2011/02/08 11:22:04]

Changed here and on ia32 and arm

+    LOperand* divisor = UseRegister(instr->right());
+    LDivI* result = new LDivI(value, divisor, temp);
+    return AssignEnvironment(DefineFixed(result, rax));
+  } else {
+    ASSERT(instr->representation().IsTagged());
+    return DoArithmeticT(Token::DIV, instr);
+  }
 }
 
 
 LInstruction* LChunkBuilder::DoMod(HMod* instr) {
   Abort("Unimplemented: %s", "DoMod");
   return NULL;
 }
 
 
 LInstruction* LChunkBuilder::DoMul(HMul* instr) {
-  Abort("Unimplemented: %s", "DoMul");
-  return NULL;
+  if (instr->representation().IsInteger32()) {
+    ASSERT(instr->left()->representation().IsInteger32());
+    ASSERT(instr->right()->representation().IsInteger32());
+    LOperand* left = UseRegisterAtStart(instr->LeastConstantOperand());
+    LOperand* right = UseOrConstant(instr->MostConstantOperand());
+    LMulI* mul = new LMulI(left, right);
+    return AssignEnvironment(DefineSameAsFirst(mul));
+  } else if (instr->representation().IsDouble()) {
+    return DoArithmeticD(Token::MUL, instr);
+  } else {
+    ASSERT(instr->representation().IsTagged());
+    return DoArithmeticT(Token::MUL, instr);
+  }
 }
 
 
 LInstruction* LChunkBuilder::DoSub(HSub* instr) {
   if (instr->representation().IsInteger32()) {
     ASSERT(instr->left()->representation().IsInteger32());
     ASSERT(instr->right()->representation().IsInteger32());
     LOperand* left = UseRegisterAtStart(instr->left());
     LOperand* right = UseOrConstantAtStart(instr->right());
     LSubI* sub = new LSubI(left, right);
@@ skipping 538 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