Provide ia32 intrinsics for bigint add, sub, quotient digit estimation, and

runtime/vm/assembler_ia32.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/cpu.h"
@@ skipping 1580 matching lines @@
 
 void Assembler::cdq() {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x99);
 }
 
 
 void Assembler::idivl(Register reg) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0xF7);
-  EmitUint8(0xF8 | reg);
+  EmitOperand(7, Operand(reg));
+}
+
+
+void Assembler::divl(Register reg) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0xF7);
+  EmitOperand(6, Operand(reg));
 }
 
 
 void Assembler::imull(Register dst, Register src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x0F);
   EmitUint8(0xAF);
   EmitOperand(dst, Operand(src));
 }
 
@@ skipping 1255 matching lines @@
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32