Extend assembler and codegen with more fpu arithmetic

src/ia32/lithium-codegen-ia32.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 2125 matching lines @@
         break;
       }
       default:
         UNREACHABLE();
         break;
     }
   } else {
     X87Register left = ToX87Register(instr->left());
     X87Register right = ToX87Register(instr->right());
     X87Register result = ToX87Register(instr->result());
-    X87PrepareBinaryOp(left, right, result);
+    if (instr->op() != Token::MOD) {
+      X87PrepareBinaryOp(left, right, result);
+    }
     switch (instr->op()) {
+      case Token::ADD:
+        __ fadd_i(1);
+        break;
+      case Token::SUB:
+        __ fsub_i(1);
+        break;
       case Token::MUL:
         __ fmul_i(1);
         break;
+      case Token::DIV:
+        __ fdiv_i(1);
+        break;
+      case Token::MOD: {
+        // Pass two doubles as arguments on the stack.
+        __ PrepareCallCFunction(4, eax);
+        X87Mov(Operand(esp, 1 * kDoubleSize), right);
+        X87Mov(Operand(esp, 0), left);
+        X87PrepareToWrite(result);
+        __ CallCFunction(
+            ExternalReference::double_fp_operation(Token::MOD, isolate()),
+            4);
+
+        // Return value is in st(0) on ia32.
+        X87CommitWrite(result);
+        break;
+      }
       default:
         UNREACHABLE();
         break;
     }
   }
 }
 
 
 void LCodeGen::DoArithmeticT(LArithmeticT* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
@@ skipping 4345 matching lines @@
                               FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32