backend_module/src/ch2/quicksort.s

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2.2 KiB
ArmAsm
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.file "quicksort.c"
.option pic
.attribute arch, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_zicsr2p0_zifencei2p0"
.attribute unaligned_access, 0
.attribute stack_align, 16
.text
.align 1
.type QuickSort.part.0, @function
QuickSort.part.0:
.LFB13:
addi sp,sp,-32
sd s1,8(sp)
sd s2,0(sp)
sd ra,24(sp)
sd s0,16(sp)
mv s1,a0
mv s2,a2
.L14:
slli a5,a1,2
add a5,s1,a5
lw a7,0(a5)
mv a4,s2
mv a3,a1
mv s0,a1
bge a1,s2,.L3
.L2:
slli a5,a4,2
add a5,s1,a5
j .L11
.L5:
addiw a4,a4,-1
beq a4,a3,.L24
.L11:
lw a6,0(a5)
addi a5,a5,-4
bge a6,a7,.L5
slli a5,a3,2
add a0,s1,a5
addiw s0,a3,1
ble a4,a3,.L4
slli t1,a4,2
add t1,s1,t1
lw a3,0(t1)
sw a3,0(a0)
ble a4,s0,.L26
addi a5,a5,4
add a5,s1,a5
j .L7
.L9:
addi a5,a5,4
beq a4,s0,.L27
.L7:
lw a6,0(a5)
mv a3,s0
addiw s0,s0,1
blt a6,a7,.L9
ble a4,a3,.L17
sw a6,0(t1)
addiw a4,a4,-1
bgt a4,a3,.L2
.L17:
mv s0,a3
j .L10
.L27:
slli a5,s0,2
add a5,s1,a5
.L10:
sw a7,0(a5)
addiw a2,s0,-1
bge a1,a2,.L3
mv a0,s1
call QuickSort.part.0
.L3:
addiw a1,s0,1
blt a1,s2,.L14
ld ra,24(sp)
ld s0,16(sp)
ld s1,8(sp)
ld s2,0(sp)
addi sp,sp,32
jr ra
.L26:
mv a3,s0
.L24:
slli a5,a3,2
.L4:
add a5,s1,a5
mv s0,a3
j .L10
.LFE13:
.size QuickSort.part.0, .-QuickSort.part.0
.align 1
.globl QuickSort
.type QuickSort, @function
QuickSort:
.LFB11:
bge a1,a2,.L31
addi sp,sp,-16
sd ra,8(sp)
call QuickSort.part.0
ld ra,8(sp)
li a0,0
addi sp,sp,16
jr ra
.L31:
li a0,0
ret
.LFE11:
.size QuickSort, .-QuickSort
.section .rodata.str1.8,"aMS",@progbits,1
.align 3
.LC0:
.string "%d\n"
.section .text.startup,"ax",@progbits
.align 1
.globl main
.type main, @function
main:
.LFB12:
addi sp,sp,-32
li a2,9
li a1,0
lla a0,.LANCHOR0
sd s0,16(sp)
sd s1,8(sp)
sd ra,24(sp)
lla s0,.LANCHOR0
call QuickSort.part.0
lla s1,.LANCHOR0+40
.L35:
lw a1,0(s0)
lla a0,.LC0
addi s0,s0,4
call printf@plt
bne s0,s1,.L35
ld ra,24(sp)
ld s0,16(sp)
ld s1,8(sp)
li a0,0
addi sp,sp,32
jr ra
.LFE12:
.size main, .-main
.globl arr
.data
.align 3
.set .LANCHOR0,. + 0
.type arr, @object
.size arr, 40
arr:
.word 4
.word 3
.word 9
.word 2
.word 0
.word 1
.word 6
.word 5
.word 7
.word 8
.ident "GCC: (GNU) 14.1.0"
.section .note.GNU-stack,"",@progbits