output

sark :: git/rbx » cat scratch/hello.rb
puts "hello world"

sark :: git/rbx » ./vm/jit-test scratch/hello.rbc
0x800800  push %ebp
0x800801  mov %esp, %ebp
0x800803  sub $0xc, %esp
0x800809  push %edi
0x80080a  push %esi
0x80080b  push %ebx
0x80080c  sub $0x10, %esp
0x800812  push 0x14(%ebp)
0x800818  push 0x10(%ebp)
0x80081e  push 0xc(%ebp)
0x800824  push 0x8(%ebp)
0x80082a  mov 0x10(%ebp), %esi
0x800830  mov 0x3c(%esi), %eax
0x800836  cmp $0x0, %eax
0x80083c  jz 0x44    ; 0x800844
0x800842  jmp *%eax
0x800844  mov 0x8(%ebp), %eax
0x80084a  mov 0x30(%eax), %ebx
0x800850  mov 0x10(%ebp), %esi
0x800856  mov 0x28(%esi), %eax
0x80085c  add $0x4, %ebx
0x800862  mov %eax, 0x0(%ebx)
0x800868  mov 0x8(%ebp), %eax
0x80086e  mov %ebx, 0x30(%eax)
0x800874  mov $0x0, 0x18(%esp)
0x80087f  call 0xffffffffff80e8be    ; 0xf0be op_push_literal
0x800884  call 0xffffffffff80ff4e    ; 0x1074e op_string_dup
0x800889  mov 0xc(%ebp), %esi
0x80088f  mov $0x1, 0x38(%esi)
0x800899  mov $0x1, 0x18(%esp)
0x8008a4  mov $0x1, 0x1c(%esp)
0x8008af  call 0xffffffffff80eedc    ; 0xf6dc op_send_stack
0x8008b4  mov $0x8008ca, %edx
0x8008b9  mov $0x7, %ecx
0x8008be  cmp $0x1, %eax
0x8008c4  jz 0xfd    ; 0x8008fd
0x8008ca  mov 0x8(%ebp), %eax
0x8008d0  mov 0x30(%eax), %ebx
0x8008d6  sub $0x4, %ebx
0x8008dc  add $0x4, %ebx
0x8008e2  mov $0xa, 0x0(%ebx)
0x8008ec  mov 0x8(%ebp), %eax
0x8008f2  mov %ebx, 0x30(%eax)
0x8008f8  call 0xffffffffff80ea52    ; 0xf252 op_ret
0x8008fd  mov 0x10(%ebp), %esi
0x800903  mov %ecx, 0x38(%esi)
0x800909  mov %edx, 0x3c(%esi)
0x80090f  pop %ebx
0x800910  pop %esi
0x800911  pop %edi
0x800912  add $0x0, %esp
0x800918  leave 
0x800919  ret 

# with instruction specialization off
sark :: git/rbx » ./vm/jit-test scratch/hello.rbc
0x800800  push %ebp
0x800801  mov %esp, %ebp
0x800803  sub $0xc, %esp
0x800809  push %edi
0x80080a  push %esi
0x80080b  push %ebx
0x80080c  sub $0x10, %esp
0x800812  push 0x14(%ebp)
0x800818  push 0x10(%ebp)
0x80081e  push 0xc(%ebp)
0x800824  push 0x8(%ebp)
0x80082a  mov 0x10(%ebp), %esi
0x800830  mov 0x3c(%esi), %eax
0x800836  cmp $0x0, %eax
0x80083c  jz 0x44    ; 0x800844
0x800842  jmp *%eax
0x800844  call 0xffffffffff80ddfa    ; 0xe5fa op_push_self
0x800849  mov $0x0, 0x18(%esp)
0x800854  call 0xffffffffff80dd9e    ; 0xe59e op_push_literal
0x800859  call 0xffffffffff80f42e    ; 0xfc2e op_string_dup
0x80085e  mov $0x1, 0x18(%esp)
0x800869  call 0xffffffffff80e8d6    ; 0xf0d6 op_set_call_flags
0x80086e  mov $0x1, 0x18(%esp)
0x800879  mov $0x1, 0x1c(%esp)
0x800884  call 0xffffffffff80e3bc    ; 0xebbc op_send_stack
0x800889  mov $0x80089f, %edx
0x80088e  mov $0x7, %ecx
0x800893  cmp $0x1, %eax
0x800899  jz 0xae    ; 0x8008ae
0x80089f  call 0xffffffffff80e13a    ; 0xe93a op_pop
0x8008a4  call 0xffffffffff80dcca    ; 0xe4ca op_push_true
0x8008a9  call 0xffffffffff80df32    ; 0xe732 op_ret
0x8008ae  mov 0x10(%ebp), %esi
0x8008b4  mov %ecx, 0x38(%esi)
0x8008ba  mov %edx, 0x3c(%esi)
0x8008c0  pop %ebx
0x8008c1  pop %esi
0x8008c2  pop %edi
0x8008c3  add $0x0, %esp
0x8008c9  leave 
0x8008ca  ret