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

runtime/vm/assembler_ia32_test.cc

 // Copyright (c) 2012, 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/cpu.h"
 #include "vm/os.h"
@@ skipping 699 matching lines @@
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(SignedDivide, test) {
   typedef int (*SignedDivide)();
   EXPECT_EQ(-87 / 42, reinterpret_cast<SignedDivide>(test->entry())());
 }
 
 
+ASSEMBLER_TEST_GENERATE(UnsignedDivide, assembler) {
+  __ movl(EAX, Immediate(0xffffffbe));
+  __ movl(EDX, Immediate(0x41));
+  __ movl(ECX, Immediate(-1));
+  __ divl(ECX);
+  __ ret();
+}
+
+
+ASSEMBLER_TEST_RUN(UnsignedDivide, test) {
+  typedef int (*UnsignedDivide)();
+  EXPECT_EQ(0x42, reinterpret_cast<UnsignedDivide>(test->entry())());
+}
+
+
 ASSEMBLER_TEST_GENERATE(Exchange, assembler) {
   __ movl(EAX, Immediate(123456789));
   __ movl(EDX, Immediate(987654321));
   __ xchgl(EAX, EDX);
   __ subl(EAX, EDX);
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(Exchange, test) {
@@ skipping 2650 matching lines @@
 
 ASSEMBLER_TEST_RUN(BitTest, test) {
   typedef int (*BitTest)();
   EXPECT_EQ(1, reinterpret_cast<BitTest>(test->entry())());
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32