src/cpu/x86/vm/methodHandles_x86.cpp

rev 7386 : 8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
Summary: Introduce the PreserveFramePointer flag to control if RBP is used as the frame pointer or as a general purpose register.
Reviewed-by: kvn, roland, dlong, enevill, shade

*** 371,381 ****
  
      // Live registers at this point:
      //  member_reg - MemberName that was the trailing argument
      //  temp1_recv_klass - klass of stacked receiver, if needed
      //  rsi/r13 - interpreter linkage (if interpreted)
!     //  rcx, rdx, rsi, rdi, r8, r8 - compiler arguments (if compiled)
  
      Label L_incompatible_class_change_error;
      switch (iid) {
      case vmIntrinsics::_linkToSpecial:
        if (VerifyMethodHandles) {
--- 371,381 ----
  
      // Live registers at this point:
      //  member_reg - MemberName that was the trailing argument
      //  temp1_recv_klass - klass of stacked receiver, if needed
      //  rsi/r13 - interpreter linkage (if interpreted)
!     //  rcx, rdx, rsi, rdi, r8 - compiler arguments (if compiled)
  
      Label L_incompatible_class_change_error;
      switch (iid) {
      case vmIntrinsics::_linkToSpecial:
        if (VerifyMethodHandles) {