Edinburgh IMP77 Compiler - Version 8.4
    1 %begin
				.option nopic
		.Ltext0:
				.align	1
		ACKERMANN.6003:
		.LFB186:
		.LVL10:
				add	sp,sp,-1376
				sd	ra,1368(sp)
				sd	s0,1360(sp)
				sd	s1,1352(sp)
				sd	s2,1344(sp)
				sd	s3,1336(sp)
				sd	s4,1328(sp)
				sd	s5,1320(sp)
				sd	s6,1312(sp)
				sd	s7,1304(sp)
				lui	a5,%hi(__stack_chk_guard)
				ld	a5,%lo(__stack_chk_guard)(a5)
				sd	a5,1288(sp)
    2   %integer %function ackermann(%integer m,n)
		.LVL0:
				add	sp,sp,-16
				sd	ra,8(sp)
				sd	s0,0(sp)
				mv	s0,a0
				call	_imp_initialise
		.LVL11:
    3     %result = n+1 %if m = 0
				beqz	a0,.L8
		.L2:
    4     %result = ackermann(m-1,1) %if n = 0
				beqz	a1,.L9
		.L4:
				addw	a0,a1,1
		.LVL5:
				ret
		.LVL6:
		.L9:
    5     %result = ackermann(m-1,ackermann(m,n-1))
				addw	a1,a1,-1
		.LVL1:
				call	ACKERMANN.6003
		.LVL2:
				mv	a1,a0
				addw	a0,s0,-1
				call	ACKERMANN.6003
		.LVL3:
		.L3:
				li	a1,1
		.LVL7:
				addw	a0,a0,-1
		.LVL8:
				call	ACKERMANN.6003
		.LVL9:
				j	.L3
		.LFE186:
				.align	1
				.globl	main
		main:
		.LFB185:
    6   %end
				ld	ra,8(sp)
				ld	s0,0(sp)
				add	sp,sp,16
				jr	ra
		.LVL4:
		.L8:
    7
    8   %owninteger i,j,k,k1,t1,t2
    9
   10   k = 16;  k1 = 1
				lui	a5,%hi(K.6009)
				li	a4,16
				sw	a4,%lo(K.6009)(a5)
   11   %for i = 1,1,6 %cycle
				lui	a5,%hi(K1.6010)
				li	a4,1
				sw	a4,%lo(K1.6010)(a5)
   12     t1 = cputime            ;! cputime is in clocks_per_tick which is 1000000
				lui	s4,%hi(T1.6011)
				sw	a0,%lo(T1.6011)(s4)
   13     j = ackermann(3,i)
				lui	s5,%hi(J.6008)
				lw	a1,%lo(I.6007)(s1)
				li	a0,3
				call	ACKERMANN.6003
		.LVL17:
				sw	a0,%lo(J.6008)(s5)
		.LBB33:
		.LBB34:
				call	_imp_cputime
		.LVL18:
		.LBE34:
		.LBE33:
   14     t2 = cputime
				li	a5,0
				lui	s3,%hi(T2.6012)
				lui	s0,%hi(K.6009)
		.LBB24:
				lw	a5,%lo(I.6007)(s1)
				li	a4,6
				beq	a5,a4,.L17
		.L12:
				sw	a0,%lo(T2.6012)(s3)
   15     %if j # k-3 %then printstring("Wrong result!  ") %and newline
				lui	s1,%hi(I.6007)
				addw	a5,a5,1
				sw	a5,%lo(I.6007)(s1)
		.LBB31:
		.LBB32:
				call	_imp_cputime
		.LVL16:
		.LBE32:
		.LBE31:
				lw	a5,%lo(K.6009)(s0)
				addw	a5,a5,-3
				lw	a4,%lo(J.6008)(s5)
				beq	a5,a4,.L11
		.LBB35:
   16     print((t2-t1){/1000},7,3)
				lui	s7,%hi(.LANCHOR0)
		.LBE24:
				lw	a5,%lo(T2.6012)(s3)
				lw	a4,%lo(T1.6011)(s4)
				subw	a5,a5,a4
		.LBB25:
		.LBB26:
				li	a1,3
				li	a0,7
				fcvt.d.w	fa0,a5
				call	_imp_print
		.LVL13:
		.LBE26:
		.LBE25:
				lw	a5,%lo(T2.6012)(s3)
				lw	a4,%lo(T1.6011)(s4)
				subw	a5,a5,a4
				mulw	a4,a5,s6
				lw	a5,%lo(K1.6010)(s2)
				sllw	a5,a5,9
				lw	a3,%lo(K.6009)(s0)
				sllw	a2,a3,4
				subw	a3,a3,a2
				addw	a5,a5,a3
				lw	a2,%lo(I.6007)(s1)
				sllw	a3,a2,3
				addw	a3,a3,a2
				addw	a5,a5,a3
				addw	a5,a5,37
				divw	a5,a4,a5
		.LBB27:
		.LBB28:
				li	a1,3
				li	a0,7
				fcvt.d.w	fa0,a5
				call	_imp_print
		.LVL14:
		.LBE28:
		.LBE27:
		.LBB29:
		.LBB30:
				call	_imp_newline
		.LVL15:
		.LBE30:
		.LBE29:
				li	a2,256
				addi	a1,s7,%lo(.LANCHOR0)
				add	a0,sp,1032
				call	memcpy
		.LVL19:
				li	a2,256
				add	a1,sp,1032
				add	a0,sp,264
				call	memcpy
		.LVL20:
				li	a2,256
				add	a1,sp,264
				add	a0,sp,776
				call	memcpy
		.LVL21:
		.LBE35:
		.LBB36:
		.LBB37:
				li	a2,256
				add	a1,sp,776
				mv	a0,sp
				call	memcpy
		.LVL22:
				mv	a0,sp
				call	_imp_printstring
		.LVL23:
		.LBE37:
		.LBE36:
		.LBB38:
		.LBB39:
				call	_imp_newline
		.LVL24:
				j	.L11
		.L17:
		.L13:
		.LBE39:
		.LBE38:
		.LBB40:
   17     print(3000*(t2-t1)/(512*k1-15*k+9*i+37),7,3)
				li	s6,4096
				addw	s6,s6,-1096
				lui	s2,%hi(K1.6010)
				j	.L12
		.L11:
		.LVL12:
   18     newline
   19     k1 = 4*k1;  k = 2*k
				lw	a5,%lo(K1.6010)(s2)
				sllw	a5,a5,2
				sw	a5,%lo(K1.6010)(s2)
   20   %repeat
				lw	a5,%lo(K.6009)(s0)
				sllw	a5,a5,1
				sw	a5,%lo(K.6009)(s0)
		.LDL1:
   21   printstring("Done."); newline
				li	a2,256
				lui	a1,%hi(.LANCHOR0+256)
				addi	a1,a1,%lo(.LANCHOR0+256)
				add	a0,sp,1032
				call	memcpy
		.LVL25:
				li	a2,256
				add	a1,sp,1032
				add	a0,sp,520
				call	memcpy
		.LVL26:
				li	a2,256
				add	a1,sp,520
				add	a0,sp,1032
				call	memcpy
		.LVL27:
		.LBE40:
		.LBB41:
		.LBB42:
				li	a2,256
				add	a1,sp,1032
				mv	a0,sp
				call	memcpy
		.LVL28:
				mv	a0,sp
				call	_imp_printstring
		.LVL29:
		.LBE42:
		.LBE41:
		.LBB43:
		.LBB44:
				call	_imp_newline
		.LVL30:
		.LBE44:
		.LBE43:
		.LBB45:
		.LBB46:
				li	a0,0
				call	exit
		.LVL31:
		.LBE46:
		.LBE45:
		.LFE185:
				.section	.rodata
				.align	3
				.set	.LANCHOR0,. + 0
		.LC0:
				.byte	15
				.string	"Wrong result!  "
				.zero	239
		.LC1:
				.byte	5
				.string	"Done."
				.zero	249
				.section	.sbss,"aw",@nobits
				.align	2
		T2.6012:
				.zero	4
		J.6008:
				.zero	4
		T1.6011:
				.zero	4
		I.6007:
				.zero	4
		K1.6010:
				.zero	4
		K.6009:
				.zero	4
		.Letext0:
   22 %endofprogram
   23 Statements compiled