Introduce x87 port

src/x87/builtins-x87.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"
 
-#if V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_X87
 
 #include "codegen.h"
 #include "deoptimizer.h"
 #include "full-codegen.h"
 #include "stub-cache.h"
 
 namespace v8 {
 namespace internal {
 
 
@@ skipping 635 matching lines @@
   // Jump to point after the code-age stub.
   __ ret(0);
 }
 
 
 void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) {
   GenerateMakeCodeYoungAgainCommon(masm);
 }
 
 
-static void Generate_NotifyStubFailureHelper(MacroAssembler* masm,
-                                             SaveFPRegsMode save_doubles) {
+static void Generate_NotifyStubFailureHelper(MacroAssembler* masm) {
   // Enter an internal frame.
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
     // Preserve registers across notification, this is important for compiled
     // stubs that tail call the runtime on deopts passing their parameters in
     // registers.
     __ pushad();
-    __ CallRuntime(Runtime::kHiddenNotifyStubFailure, 0, save_doubles);
+    __ CallRuntime(Runtime::kHiddenNotifyStubFailure, 0);
     __ popad();
     // Tear down internal frame.
   }
 
   __ pop(MemOperand(esp, 0));  // Ignore state offset
   __ ret(0);  // Return to IC Miss stub, continuation still on stack.
 }
 
 
 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) {
-  Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs);
+  Generate_NotifyStubFailureHelper(masm);
 }
 
 
 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) {
-  Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
+  // SaveDoubles is meanless for X87, just used by deoptimizer.cc
+  Generate_NotifyStubFailureHelper(masm);
 }
 
 
 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
                                              Deoptimizer::BailoutType type) {
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
     // Pass deoptimization type to the runtime system.
     __ push(Immediate(Smi::FromInt(static_cast<int>(type))));
@@ skipping 742 matching lines @@
          RelocInfo::CODE_TARGET);
 
   __ bind(&ok);
   __ ret(0);
 }
 
 #undef __
 }
 }  // namespace v8::internal
 
-#endif  // V8_TARGET_ARCH_IA32
+#endif  // V8_TARGET_ARCH_X87