Introduce x87 port

src/hydrogen-instructions.cc

 // Copyright 2012 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 "v8.h"
 
 #include "double.h"
 #include "factory.h"
 #include "hydrogen-infer-representation.h"
 #include "property-details-inl.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "ia32/lithium-ia32.h"
 #elif V8_TARGET_ARCH_X64
 #include "x64/lithium-x64.h"
 #elif V8_TARGET_ARCH_ARM64
 #include "arm64/lithium-arm64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "arm/lithium-arm.h"
 #elif V8_TARGET_ARCH_MIPS
 #include "mips/lithium-mips.h"
+#elif V8_TARGET_ARCH_X87
+#include "x87/lithium-x87.h"
 #else
 #error Unsupported target architecture.
 #endif
 
 namespace v8 {
 namespace internal {
 
 #define DEFINE_COMPILE(type)                                         \
   LInstruction* H##type::CompileToLithium(LChunkBuilder* builder) {  \
     return builder->Do##type(this);                                  \
@@ skipping 4752 matching lines @@
       break;
     case kExternalMemory:
       stream->Add("[external-memory]");
       break;
   }
 
   stream->Add("@%d", offset());
 }
 
 } }  // namespace v8::internal