Disable 2 intrinsics causing optimizer issues (under investigation).

runtime/vm/intrinsifier_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.
 //
 // The intrinsic code below is executed before a method has built its frame.
 // The return address is on the stack and the arguments below it.
 // Registers EDX (arguments descriptor) and ECX (function) must be preserved.
 // Each intrinsification method returns true if the corresponding
 // Dart method was intrinsified.
 
@@ skipping 896 matching lines @@
   __ movl(EAX, Address(ESP, + 1 * kWordSize));
   __ movl(ECX, Address(ESP, + 2 * kWordSize));
   __ StoreIntoObject(ECX,
                      FieldAddress(ECX, Bigint::digits_offset()), EAX, false);
   __ ret();
 }
 
 
 // TODO(regis): Once this intrinsic is implemented on all architectures, the
 // corresponding Dart method will be untested. Add a test with --no-intrinsify.
-void Intrinsifier::Bigint_add(Assembler* assembler) {
-  // static void _add(Uint32List digits, int used,
-  //                  Uint32List a_digits, int a_used,
-  //                  Uint32List r_digits)
+void Intrinsifier::Bigint_absAdd(Assembler* assembler) {
+#if 0  // TODO(regis): Re-enable when the optimizer issue is fixed.
+  // static void _absAdd(Uint32List digits, int used,
+  //                     Uint32List a_digits, int a_used,
+  //                     Uint32List r_digits)
 
   // Preserve CTX to free ESI.
   __ pushl(CTX);
   ASSERT(CTX == ESI);
 
   __ movl(EDI, Address(ESP, 6 * kWordSize));  // digits
   __ movl(EAX, Address(ESP, 5 * kWordSize));  // used is Smi
   __ SmiUntag(EAX);  // used > 0.
   __ movl(ESI, Address(ESP, 4 * kWordSize));  // a_digits
   __ movl(ECX, Address(ESP, 3 * kWordSize));  // a_used is Smi
@@ skipping 31 matching lines @@
 
   __ Bind(&last_carry);
   __ movl(EAX, Immediate(0));
   __ adcl(EAX, Immediate(0));
   __ movl(FieldAddress(EBX, EDX, TIMES_4, TypedData::data_offset()), EAX);
 
   // Restore CTX and return.
   __ popl(CTX);
   // TODO(regis): Confirm that returning Object::null() is not required.
   __ ret();
+#endif
 }
 
 
 // TODO(regis): Once this intrinsic is implemented on all architectures, the
 // corresponding Dart method will be untested. Add a test with --no-intrinsify.
-void Intrinsifier::Bigint_sub(Assembler* assembler) {
-  // static void _sub(Uint32List digits, int used,
-  //                  Uint32List a_digits, int a_used,
-  //                  Uint32List r_digits)
+void Intrinsifier::Bigint_absSub(Assembler* assembler) {
+#if 0  // TODO(regis): Re-enable when the optimizer issue is fixed.
+  // static void _absSub(Uint32List digits, int used,
+  //                     Uint32List a_digits, int a_used,
+  //                     Uint32List r_digits)
 
   // Preserve CTX to free ESI.
   __ pushl(CTX);
   ASSERT(CTX == ESI);
 
   __ movl(EDI, Address(ESP, 6 * kWordSize));  // digits
   __ movl(EAX, Address(ESP, 5 * kWordSize));  // used is Smi
   __ SmiUntag(EAX);  // used > 0.
   __ movl(ESI, Address(ESP, 4 * kWordSize));  // a_digits
   __ movl(ECX, Address(ESP, 3 * kWordSize));  // a_used is Smi
@@ skipping 27 matching lines @@
   __ movl(FieldAddress(EBX, EDX, TIMES_4, TypedData::data_offset()), EAX);
   __ incl(EDX);  // Does not affect CF.
   __ decl(ECX);  // Does not affect CF.
   __ j(NOT_ZERO, &carry_loop, Assembler::kNearJump);
 
   __ Bind(&done);
   // Restore CTX and return.
   __ popl(CTX);
   // TODO(regis): Confirm that returning Object::null() is not required.
   __ ret();
+#endif
 }
 
 
 // TODO(regis): Once this intrinsic is implemented on all architectures, the
 // corresponding Dart method will be untested. Add a test with --no-intrinsify.
 void Intrinsifier::Bigint_mulAdd(Assembler* assembler) {
   // Pseudo code:
   // static void _mulAdd(Uint32List x_digits, int xi,
   //                     Uint32List m_digits, int i,
   //                     Uint32List a_digits, int j, int n) {
@@ skipping 1066 matching lines @@
                         Isolate::current_tag_offset());
   // Set return value to Isolate::current_tag_.
   __ movl(EAX, current_tag_addr);
   __ ret();
 }
 
 #undef __
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32