Add ArithmeticD(MOD) to x64 optimizing code generator. Minor changes to Arit...

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
===================================================================
--- src/ia32/lithium-ia32.cc	(revision 7027)
+++ src/ia32/lithium-ia32.cc	(working copy)
@@ -870,18 +870,11 @@
   ASSERT(instr->representation().IsDouble());
   ASSERT(instr->left()->representation().IsDouble());
   ASSERT(instr->right()->representation().IsDouble());
-  if (op == Token::MOD) {
-    LOperand* left = UseFixedDouble(instr->left(), xmm2);
-    LOperand* right = UseFixedDouble(instr->right(), xmm1);
-    LArithmeticD* result = new LArithmeticD(op, left, right);
-    return MarkAsCall(DefineFixedDouble(result, xmm1), instr);
-
-  } else {
-    LOperand* left = UseRegisterAtStart(instr->left());
-    LOperand* right = UseRegisterAtStart(instr->right());
-    LArithmeticD* result = new LArithmeticD(op, left, right);
-    return DefineSameAsFirst(result);
-  }
+  ASSERT(op != Token::MOD);
+  LOperand* left = UseRegisterAtStart(instr->left());
+  LOperand* right = UseRegisterAtStart(instr->right());
+  LArithmeticD* result = new LArithmeticD(op, left, right);
+  return DefineSameAsFirst(result);
 }
 
 
@@ -1391,8 +1384,8 @@
     // We call a C function for double modulo. It can't trigger a GC.
     // We need to use fixed result register for the call.
     // TODO(fschneider): Allow any register as input registers.
-    LOperand* left = UseFixedDouble(instr->left(), xmm1);
-    LOperand* right = UseFixedDouble(instr->right(), xmm2);
+    LOperand* left = UseFixedDouble(instr->left(), xmm2);
+    LOperand* right = UseFixedDouble(instr->right(), xmm1);
     LArithmeticD* result = new LArithmeticD(Token::MOD, left, right);
     return MarkAsCall(DefineFixedDouble(result, xmm1), instr);
   }