[wasm] Int64Lowering of I64ShrU and I64ShrS on ia32.

src/compiler/wasm-compiler.cc

 // Copyright 2015 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 "src/compiler/wasm-compiler.h"
 
 #include "src/isolate-inl.h"
 
 #include "src/base/platform/platform.h"
 
@@ skipping 495 matching lines @@
       break;
 // kExprI64Xor:
     case wasm::kExprI64Xor:
       op = m->Word64Xor();
       break;
 // kExprI64Shl:
     case wasm::kExprI64Shl:
       op = m->Word64Shl();
       break;
     // kExprI64ShrU:
+    case wasm::kExprI64ShrU:
+      op = m->Word64Shr();
+      break;
     // kExprI64ShrS:
+    case wasm::kExprI64ShrS:
+      op = m->Word64Sar();
+      break;
     // kExprI64Eq:
     case wasm::kExprI64Eq:
       op = m->Word64Equal();
       break;
 // kExprI64Ne:
     case wasm::kExprI64Ne:
       return Invert(Binop(wasm::kExprI64Eq, left, right));
 // kExprI64LtS:
     case wasm::kExprI64LtS:
       op = m->Int64LessThan();
@@ skipping 67 matching lines @@
 
       Node* rem = graph()->NewNode(m->Int64Mod(), left, right, d.if_false);
 
       return d.Phi(MachineRepresentation::kWord64, jsgraph()->Int64Constant(0),
                    rem);
     }
     case wasm::kExprI64RemU:
       op = m->Uint64Mod();
       return graph()->NewNode(op, left, right,
                               trap_->ZeroCheck64(kTrapRemByZero, right));
-    case wasm::kExprI64ShrU:
-      op = m->Word64Shr();
-      break;
-    case wasm::kExprI64ShrS:
-      op = m->Word64Sar();
-      break;
     case wasm::kExprI64Ror:
       op = m->Word64Ror();
       break;
     case wasm::kExprI64Rol:
       return BuildI64Rol(left, right);
 #endif
 
     case wasm::kExprF32CopySign:
       return BuildF32CopySign(left, right);
     case wasm::kExprF64CopySign:
@@ skipping 1854 matching lines @@
         module_env->module->GetName(function.name_offset));
   }
 
   return code;
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8