C++ raw pointer vs Rust

cpp.asm

foo(int*): # @foo(int*)
  push rbx
  mov rbx, rdi
  cmp dword ptr [rdi], 43
  jl .LBB0_2
  mov rdi, rbx
  call bar(int*)
  mov dword ptr [rbx], 42
.LBB0_2:
  mov rdi, rbx
  pop rbx
  jmp baz(int*) # TAILCALL

rust.asm

<&T as core::fmt::Display>::fmt:
  mov rdi, qword ptr [rdi]
  jmp qword ptr [rip + _ZN4core3fmt3num3imp52_$LT$impl$u20$core..fmt..Display$u20$for$u20$i32$GT$3fmt17hd426623d2aeaa98aE@GOTPCREL]

core::ptr::drop_in_place:
  mov rdi, qword ptr [rdi]
  mov esi, 4
  mov edx, 4
  jmp qword ptr [rip + __rust_dealloc@GOTPCREL]

example::bar:
  sub rsp, 72
  mov qword ptr [rsp], rdi
  mov rax, rsp
  mov qword ptr [rsp + 8], rax
  lea rax, [rip + <&T as core::fmt::Display>::fmt]
  mov qword ptr [rsp + 16], rax
  lea rax, [rip + .L__unnamed_1]
  mov qword ptr [rsp + 24], rax
  mov qword ptr [rsp + 32], 1
  mov qword ptr [rsp + 40], 0
  lea rax, [rsp + 8]
  mov qword ptr [rsp + 56], rax
  mov qword ptr [rsp + 64], 1
  lea rdi, [rsp + 24]
  call qword ptr [rip + std::io::stdio::_print@GOTPCREL]
  add rsp, 72
  ret

example::baz:
  push rbx
  sub rsp, 80
  mov qword ptr [rsp + 8], rdi
  lea rax, [rsp + 8]
  mov qword ptr [rsp + 16], rax
  lea rax, [rip + <&T as core::fmt::Display>::fmt]
  mov qword ptr [rsp + 24], rax
  lea rax, [rip + .L__unnamed_1]
  mov qword ptr [rsp + 32], rax
  mov qword ptr [rsp + 40], 1
  mov qword ptr [rsp + 48], 0
  lea rax, [rsp + 16]
  mov qword ptr [rsp + 64], rax
  mov qword ptr [rsp + 72], 1
  lea rdi, [rsp + 32]
  call qword ptr [rip + std::io::stdio::_print@GOTPCREL]
  mov rdi, qword ptr [rsp + 8]
  mov esi, 4
  mov edx, 4
  call qword ptr [rip + __rust_dealloc@GOTPCREL]
  add rsp, 80
  pop rbx
  ret
  mov rbx, rax
  lea rdi, [rsp + 8]
  call core::ptr::drop_in_place
  mov rdi, rbx
  call _Unwind_Resume@PLT
  ud2

example::foo:
  push rbx
  mov rbx, rdi
  cmp dword ptr [rdi], 43
  jl .LBB4_2
  mov rdi, rbx
  call example::bar
  mov dword ptr [rbx], 42
.LBB4_2:
  mov rdi, rbx
  pop rbx
  jmp example::baz

.L__unnamed_2:

.L__unnamed_1:
  .quad .L__unnamed_2
  .zero 8