245 lines
3.5 KiB
ArmAsm
245 lines
3.5 KiB
ArmAsm
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.file "16_k_smallest.sy"
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.option pic
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.attribute arch, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_zicsr2p0_zifencei2p0"
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.attribute unaligned_access, 0
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.attribute stack_align, 16
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.text
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.align 1
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.globl swap
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.type swap, @function
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swap:
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lla a5,array
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slli a1,a1,2
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add a1,a5,a1
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slli a0,a0,2
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lw a3,0(a1)
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add a5,a5,a0
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lw a4,0(a5)
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sw a3,0(a5)
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sw a4,0(a1)
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ret
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.size swap, .-swap
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.align 1
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.globl findPivot
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.type findPivot, @function
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findPivot:
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lla a6,array
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slli t1,a1,2
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add a5,a6,t1
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lw a7,0(a5)
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ble a1,a0,.L4
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subw a3,a1,a0
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slli a3,a3,32
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srli a3,a3,32
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add a3,a3,a0
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slli a5,a0,2
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slli a3,a3,2
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add a5,a6,a5
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add a3,a6,a3
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.L6:
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lw a2,0(a5)
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slli a4,a0,2
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add a4,a6,a4
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bgt a2,a7,.L5
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lw a1,0(a4)
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addiw a0,a0,1
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sw a1,0(a5)
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sw a2,0(a4)
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.L5:
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addi a5,a5,4
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bne a5,a3,.L6
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add a5,a6,t1
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lw a7,0(a5)
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.L4:
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slli a5,a0,2
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add a5,a6,a5
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lw a4,0(a5)
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add a6,a6,t1
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sw a7,0(a5)
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sw a4,0(a6)
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ret
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.size findPivot, .-findPivot
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.align 1
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.globl findSmallest
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.type findSmallest, @function
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findSmallest:
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beq a0,a1,.L23
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addi sp,sp,-32
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sd ra,24(sp)
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sd s0,16(sp)
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sd s1,8(sp)
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lla t1,array
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.L26:
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slli t5,a1,2
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add a5,t1,t5
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lw t3,0(a5)
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ble a1,a0,.L19
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.L29:
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subw a7,a1,a0
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slli a7,a7,32
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srli a7,a7,32
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add a7,a7,a0
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slli a5,a0,2
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slli a7,a7,2
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add a5,a5,t1
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add a7,a7,t1
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mv a3,a0
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.L14:
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lw a6,0(a5)
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slli a4,a3,2
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add a4,t1,a4
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blt t3,a6,.L13
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lw t4,0(a4)
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addiw a3,a3,1
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sw t4,0(a5)
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sw a6,0(a4)
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.L13:
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addi a5,a5,4
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bne a5,a7,.L14
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add a5,t1,t5
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slli s0,a3,2
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lw t3,0(a5)
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add s0,t1,s0
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lw a4,0(s0)
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add a5,t1,t5
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sw t3,0(s0)
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sw a4,0(a5)
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beq a2,a3,.L28
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.L15:
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bge a2,a3,.L17
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addiw a1,a3,-1
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bne a1,a0,.L26
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.L9:
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ld ra,24(sp)
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ld s0,16(sp)
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ld s1,8(sp)
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addi sp,sp,32
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jr ra
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.L17:
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addiw a0,a3,1
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beq a0,a1,.L9
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add a5,t1,t5
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lw t3,0(a5)
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bgt a1,a0,.L29
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.L19:
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mv a3,a0
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slli s0,a3,2
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add s0,t1,s0
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lw a4,0(s0)
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add a5,t1,t5
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sw t3,0(s0)
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sw a4,0(a5)
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bne a2,a3,.L15
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.L28:
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ble a2,zero,.L9
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lla s1,array
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.L16:
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lw a0,0(s1)
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addi s1,s1,4
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call putint@plt
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li a0,32
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call putch@plt
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bne s0,s1,.L16
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ld ra,24(sp)
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ld s0,16(sp)
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ld s1,8(sp)
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addi sp,sp,32
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jr ra
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.L23:
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ret
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.size findSmallest, .-findSmallest
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.section .text.startup,"ax",@progbits
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.align 1
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.globl main
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.type main, @function
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main:
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addi sp,sp,-48
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sd ra,40(sp)
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sd s2,16(sp)
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sd s3,8(sp)
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sd s0,32(sp)
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sd s1,24(sp)
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call getint@plt
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mv s2,a0
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call getint@plt
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mv s3,a0
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ble s2,zero,.L31
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lla s0,array
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slli s1,s2,2
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add s1,s1,s0
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.L32:
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call getint@plt
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sw a0,0(s0)
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addi s0,s0,4
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bne s0,s1,.L32
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.L31:
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li a0,0
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mv a3,s2
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mv a2,s3
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addiw a1,s2,-1
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call findSmallest
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ld ra,40(sp)
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ld s0,32(sp)
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ld s1,24(sp)
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ld s2,16(sp)
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ld s3,8(sp)
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li a0,0
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addi sp,sp,48
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jr ra
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.size main, .-main
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.globl array
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.globl _sysy_idx
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.globl _sysy_us
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.globl _sysy_s
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.globl _sysy_m
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.globl _sysy_h
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.globl _sysy_l2
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.globl _sysy_l1
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.globl _sysy_end
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.globl _sysy_start
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.bss
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.align 3
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.type array, @object
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.size array, 4000
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array:
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.zero 4000
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.type _sysy_idx, @object
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.size _sysy_idx, 4
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_sysy_idx:
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.zero 4
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.zero 4
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.type _sysy_us, @object
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.size _sysy_us, 4096
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_sysy_us:
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.zero 4096
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.type _sysy_s, @object
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.size _sysy_s, 4096
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_sysy_s:
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.zero 4096
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.type _sysy_m, @object
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.size _sysy_m, 4096
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_sysy_m:
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.zero 4096
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.type _sysy_h, @object
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.size _sysy_h, 4096
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_sysy_h:
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.zero 4096
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.type _sysy_l2, @object
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.size _sysy_l2, 4096
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_sysy_l2:
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.zero 4096
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.type _sysy_l1, @object
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.size _sysy_l1, 4096
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_sysy_l1:
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.zero 4096
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.type _sysy_end, @object
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.size _sysy_end, 16
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_sysy_end:
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.zero 16
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.type _sysy_start, @object
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.size _sysy_start, 16
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_sysy_start:
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.zero 16
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.ident "GCC: (Debian 12.2.0-13) 12.2.0"
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.section .note.GNU-stack,"",@progbits
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