[wasm] Int64Lowering of Int64Sub on ia32 and arm.

test/unittests/compiler/node-test-utils.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "test/unittests/compiler/node-test-utils.h"
 
 #include <vector>
 
 #include "src/assembler.h"
 #include "src/compiler/common-operator.h"
@@ skipping 2139 matching lines @@
 
 #define IS_QUADOP_MATCHER(Name)                                               \
   Matcher<Node*> Is##Name(                                                    \
       const Matcher<Node*>& a_matcher, const Matcher<Node*>& b_matcher,       \
       const Matcher<Node*>& c_matcher, const Matcher<Node*>& d_matcher) {     \
     return MakeMatcher(new IsQuadopMatcher(IrOpcode::k##Name, a_matcher,      \
                                            b_matcher, c_matcher, d_matcher)); \
   }
 
 IS_QUADOP_MATCHER(Int32PairAdd)
+IS_QUADOP_MATCHER(Int32PairSub)
 
 #define IS_TERNOP_MATCHER(Name)                                            \
   Matcher<Node*> Is##Name(const Matcher<Node*>& lhs_matcher,               \
                           const Matcher<Node*>& mid_matcher,               \
                           const Matcher<Node*>& rhs_matcher) {             \
     return MakeMatcher(new IsTernopMatcher(IrOpcode::k##Name, lhs_matcher, \
                                            mid_matcher, rhs_matcher));     \
   }
 
 IS_TERNOP_MATCHER(Word32PairShl)
@@ skipping 75 matching lines @@
 IS_UNOP_MATCHER(NumberToInt32)
 IS_UNOP_MATCHER(NumberToUint32)
 IS_UNOP_MATCHER(ObjectIsReceiver)
 IS_UNOP_MATCHER(ObjectIsSmi)
 IS_UNOP_MATCHER(Word32Clz)
 #undef IS_UNOP_MATCHER
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8