Don't push eax/rax before calling Runtime_Abort

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 5b649e3fb423459a19add214af9444b7e50734f8..281861f968e1d046f31f07582a92a793ca4485bb 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -3775,52 +3775,6 @@ void MacroAssembler::ClampDoubleToUint8(Register result_reg,
 }
 
 
-void MacroAssembler::Throw(BailoutReason reason) {
-  Label throw_start;
-  bind(&throw_start);
-#ifdef DEBUG
-  const char* msg = GetBailoutReason(reason);
-  if (msg != NULL) {
-    RecordComment("Throw message: ");
-    RecordComment(msg);
-  }
-#endif
-
-  mov(r0, Operand(Smi::FromInt(reason)));
-  push(r0);
-  // 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
-  if (is_const_pool_blocked()) {
-    // If the calling code cares throw the exact number of
-    // instructions generated, we insert padding here to keep the size
-    // of the ThrowMessage macro constant.
-    static const int kExpectedThrowMessageInstructions = 10;
-    int throw_instructions = InstructionsGeneratedSince(&throw_start);
-    ASSERT(throw_instructions <= kExpectedThrowMessageInstructions);
-    while (throw_instructions++ < kExpectedThrowMessageInstructions) {
-      nop();
-    }
-  }
-}
-
-
-void MacroAssembler::ThrowIf(Condition cc, BailoutReason reason) {
-  Label L;
-  b(NegateCondition(cc), &L);
-  Throw(reason);
-  // will not return here
-  bind(&L);
-}
-
-
 void MacroAssembler::LoadInstanceDescriptors(Register map,
                                              Register descriptors) {
   ldr(descriptors, FieldMemOperand(map, Map::kDescriptorsOffset));