X87: Don't push eax/rax before calling Runtime_Abort

src/x87/macro-assembler-x87.cc

Index: src/x87/macro-assembler-x87.cc
diff --git a/src/x87/macro-assembler-x87.cc b/src/x87/macro-assembler-x87.cc
index bd5c623c3c83ebc20fe86aaef393984b04d04f7a..c1c8afff789d7eb799758868dced0e7717212d44 100644
--- a/src/x87/macro-assembler-x87.cc
+++ b/src/x87/macro-assembler-x87.cc
@@ -2683,7 +2683,6 @@ void MacroAssembler::Abort(BailoutReason reason) {
   }
 #endif
 
-  push(eax);
   push(Immediate(reinterpret_cast<intptr_t>(Smi::FromInt(reason))));
   // Disable stub call restrictions to always allow calls to abort.
   if (!has_frame_) {
@@ -2699,40 +2698,6 @@ void MacroAssembler::Abort(BailoutReason reason) {
 }
 
 
-void MacroAssembler::Throw(BailoutReason reason) {
-#ifdef DEBUG
-  const char* msg = GetBailoutReason(reason);
-  if (msg != NULL) {
-    RecordComment("Throw message: ");
-    RecordComment(msg);
-  }
-#endif
-
-  push(eax);
-  push(Immediate(Smi::FromInt(reason)));
-  // Disable stub call restrictions to always allow calls to throw.
-  if (!has_frame_) {
-    // We don't actually want to generate a pile of code for this, so just
-    // claim there is a stack frame, without generating one.
-    FrameScope scope(this, StackFrame::NONE);
-    CallRuntime(Runtime::kHiddenThrowMessage, 1);
-  } else {
-    CallRuntime(Runtime::kHiddenThrowMessage, 1);
-  }
-  // will not return here
-  int3();
-}
-
-
-void MacroAssembler::ThrowIf(Condition cc, BailoutReason reason) {
-  Label L;
-  j(NegateCondition(cc), &L);
-  Throw(reason);
-  // will not return here
-  bind(&L);
-}
-
-
 void MacroAssembler::LoadInstanceDescriptors(Register map,
                                              Register descriptors) {
   mov(descriptors, FieldOperand(map, Map::kDescriptorsOffset));