Edinburgh IMP77 Compiler - Version 8.4
    1 %begin
		.Ltext0:
				.globl	next_free_bound_index
				.bss
				.align 4
		next_free_bound_index:
				.zero	4
				.comm	_lb,384,32
				.comm	_ub,384,32
		DOIT.6025:
		.LFB190:
				leal	4(%esp), %ecx
				andl	$-16, %esp
				pushl	-4(%ecx)
				pushl	%ebp
				movl	%esp, %ebp
				pushl	%ebx
				pushl	%ecx
				subl	$48, %esp
				call	__x86.get_pc_thunk.bx
				addl	$_GLOBAL_OFFSET_TABLE_, %ebx
				movl	%ecx, %eax
				movl	4(%eax), %edx
				movl	%edx, -44(%ebp)
				movl	%gs:20, %edx
				movl	%edx, -12(%ebp)
				xorl	%edx, %edx
				leal	8(%ebp), %edx
				movl	%edx, -28(%ebp)
				subl	$8, %esp
				pushl	-44(%ebp)
				pushl	(%eax)
				call	_imp_initialise@PLT
				addl	$16, %esp
    2   %routine do it
				pushl	%ebp
				movl	%esp, %ebp
				subl	$4, %esp
				call	__x86.get_pc_thunk.ax
				addl	$_GLOBAL_OFFSET_TABLE_, %eax
				movl	%ecx, -4(%ebp)
    3   %end
				nop
				leave
				ret
		.LFE190:
				.globl	main
		main:
		.LFB189:
    4   %integer a,b
    5   do it %if %not a = b
				movl	-24(%ebp), %eax
				cmpl	-20(%ebp), %eax
				je	.L13
				leal	-28(%ebp), %eax
				movl	%eax, %ecx
				call	DOIT.6025
				jmp	.L5
		.L13:
				nop
		.L5:
    6   %comment do it %if %not a = b
    7   do it %unless %not a = b
				movl	-24(%ebp), %eax
				cmpl	-20(%ebp), %eax
				jne	.L14
				leal	-28(%ebp), %eax
				movl	%eax, %ecx
				call	DOIT.6025
				jmp	.L7
		.L14:
				nop
		.L7:
    8   %comment do it %unless %not a = b
    9   %if %not a = b %then do it
				movl	-24(%ebp), %eax
				cmpl	-20(%ebp), %eax
				je	.L15
				leal	-28(%ebp), %eax
				movl	%eax, %ecx
				call	DOIT.6025
				jmp	.L9
		.L15:
				nop
		.L9:
   10   %comment %if %not a = b %then do it
   11   %unless %not a = b %then do it
				movl	-24(%ebp), %eax
				cmpl	-20(%ebp), %eax
				jne	.L16
				leal	-28(%ebp), %eax
				movl	%eax, %ecx
				call	DOIT.6025
				jmp	.L11
		.L16:
				nop
		.L11:
				movl	$0, -16(%ebp)
		.LBB4:
		.LBB5:
				subl	$12, %esp
				pushl	-16(%ebp)
				call	exit@PLT
		.LBE5:
		.LBE4:
		.LFE189:
				.section	.text.__x86.get_pc_thunk.ax,"axG",@progbits,__x86.get_pc_thunk.ax,comdat
				.globl	__x86.get_pc_thunk.ax
				.hidden	__x86.get_pc_thunk.ax
		__x86.get_pc_thunk.ax:
		.LFB191:
				movl	(%esp), %eax
				ret
		.LFE191:
				.section	.text.__x86.get_pc_thunk.bx,"axG",@progbits,__x86.get_pc_thunk.bx,comdat
				.globl	__x86.get_pc_thunk.bx
				.hidden	__x86.get_pc_thunk.bx
		__x86.get_pc_thunk.bx:
		.LFB192:
				movl	(%esp), %ebx
				ret
		.LFE192:
		.Letext0:
   12   %comment %unless %not a = b %then do it
   13 %endofprogram
    9 Statements compiled