Remove special-casing of EAGER and SOFT deoptimization calling conventions, allowing calling addres…

src/x64/deoptimizer-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 433 matching lines @@
                                       kDoubleRegsSize;
 
   // We use this to keep the value of the fifth argument temporarily.
   // Unfortunately we can't store it directly in r8 (used for passing
   // this on linux), since it is another parameter passing register on windows.
   Register arg5 = r11;
 
   // Get the bailout id from the stack.
   __ movq(arg_reg_3, Operand(rsp, kSavedRegistersAreaSize));
 
-  // Get the address of the location in the code object if possible
+  // Get the address of the location in the code object
   // and compute the fp-to-sp delta in register arg5.
-  if (type() == EAGER || type() == SOFT) {
-    __ Set(arg_reg_4, 0);
-    __ lea(arg5, Operand(rsp, kSavedRegistersAreaSize + 1 * kPointerSize));
-  } else {
-    __ movq(arg_reg_4,
-            Operand(rsp, kSavedRegistersAreaSize + 1 * kPointerSize));
-    __ lea(arg5, Operand(rsp, kSavedRegistersAreaSize + 2 * kPointerSize));
-  }
+  __ movq(arg_reg_4,
+          Operand(rsp, kSavedRegistersAreaSize + 1 * kPointerSize));
+  __ lea(arg5, Operand(rsp, kSavedRegistersAreaSize + 2 * kPointerSize));
 
   __ subq(arg5, rbp);
   __ neg(arg5);
 
   // Allocate a new deoptimizer object.
   __ PrepareCallCFunction(6);
   __ movq(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
   __ movq(arg_reg_1, rax);
   __ Set(arg_reg_2, type());
   // Args 3 and 4 are already in the right registers.
@@ skipping 22 matching lines @@
     __ pop(Operand(rbx, offset));
   }
 
   // Fill in the double input registers.
   int double_regs_offset = FrameDescription::double_registers_offset();
   for (int i = 0; i < XMMRegister::NumAllocatableRegisters(); i++) {
     int dst_offset = i * kDoubleSize + double_regs_offset;
     __ pop(Operand(rbx, dst_offset));
   }
 
-  // Remove the bailout id from the stack.
-  if (type() == EAGER || type() == SOFT) {
-    __ addq(rsp, Immediate(kPointerSize));
-  } else {
-    __ addq(rsp, Immediate(2 * kPointerSize));
-  }
+  // Remove the bailout id and return address from the stack.
+  __ addq(rsp, Immediate(2 * kPointerSize));
 
   // Compute a pointer to the unwinding limit in register rcx; that is
   // the first stack slot not part of the input frame.
   __ movq(rcx, Operand(rbx, FrameDescription::frame_size_offset()));
   __ addq(rcx, rsp);
 
   // Unwind the stack down to - but not including - the unwinding
   // limit and copy the contents of the activation frame to the input
   // frame description.
   __ lea(rdx, Operand(rbx, FrameDescription::frame_content_offset()));
@@ skipping 96 matching lines @@
   }
   __ bind(&done);
 }
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64