[wasm] Int64Lowering of Int64Mul on ia32 and arm.

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/elapsed-timer.h"
 #include "src/base/platform/platform.h"
@@ skipping 484 matching lines @@
     // easier when I do them one by one.
     // kExprI64Add:
     case wasm::kExprI64Add:
       op = m->Int64Add();
       break;
     // kExprI64Sub:
     case wasm::kExprI64Sub:
       op = m->Int64Sub();
       break;
     // kExprI64Mul:
+    case wasm::kExprI64Mul:
+      op = m->Int64Mul();
+      break;
     // kExprI64DivS:
     case wasm::kExprI64DivS:
       return BuildI64DivS(left, right);
     // kExprI64DivU:
     case wasm::kExprI64DivU:
       return BuildI64DivU(left, right);
     // kExprI64RemS:
     case wasm::kExprI64RemS:
       return BuildI64RemS(left, right);
     // kExprI64RemU:
@@ skipping 51 matching lines @@
       std::swap(left, right);
       break;
     case wasm::kExprI64GeU:
       op = m->Uint64LessThanOrEqual();
       std::swap(left, right);
       break;
 
 #if WASM_64
     // Opcodes only supported on 64-bit platforms.
     // TODO(titzer): query the machine operator builder here instead of #ifdef.
-    case wasm::kExprI64Mul:
-      op = m->Int64Mul();
-      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 2064 matching lines @@
         static_cast<int>(function.code_end_offset - function.code_start_offset),
         decode_ms, static_cast<int>(graph.NodeCount()), compile_ms);
   }
   return code;
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8