158 lines
2.3 KiB
ArmAsm
158 lines
2.3 KiB
ArmAsm
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.text
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.attribute 4, 16
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.attribute 5, "rv64i2p0_m2p0_a2p0_f2p0_d2p0_c2p0"
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.file "66_exgcd.sy"
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.globl exgcd
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.p2align 1
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.type exgcd,@function
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exgcd:
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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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sd s2, 0(sp)
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mv s0, a3
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mv s1, a2
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beqz a1, .LBB0_2
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divw s2, a0, a1
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mulw a2, s2, a1
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subw a2, a0, a2
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mv a0, a1
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mv a1, a2
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mv a2, s1
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mv a3, s0
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call exgcd
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lw a1, 0(s0)
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lw a2, 0(s1)
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sw a1, 0(s1)
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lw a1, 0(s0)
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mulw a1, a1, s2
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subw a1, a2, a1
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j .LBB0_3
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.LBB0_2:
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li a1, 0
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li a2, 1
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sw a2, 0(s1)
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.LBB0_3:
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sw a1, 0(s0)
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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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ld s2, 0(sp)
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addi sp, sp, 32
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ret
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.Lfunc_end0:
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.size exgcd, .Lfunc_end0-exgcd
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.globl main
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.p2align 1
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.type main,@function
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main:
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addi sp, sp, -16
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sd ra, 8(sp)
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li a0, 1
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sw a0, 4(sp)
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sw a0, 0(sp)
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li a0, 7
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li a1, 15
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addi a2, sp, 4
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mv a3, sp
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call exgcd
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lw a0, 4(sp)
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lui a1, 559241
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addiw a1, a1, -1911
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mul a1, a0, a1
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srli a1, a1, 32
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addw a1, a1, a0
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srliw a2, a1, 31
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sraiw a1, a1, 3
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addw a1, a1, a2
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slliw a2, a1, 4
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subw a1, a1, a2
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addw a0, a0, a1
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addiw a0, a0, 15
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andi a1, a0, 255
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li a2, 137
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mul a1, a1, a2
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srli a1, a1, 11
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slliw a2, a1, 4
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subw a1, a1, a2
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addw a0, a0, a1
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andi a0, a0, 255
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call putint
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li a0, 0
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ld ra, 8(sp)
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addi sp, sp, 16
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ret
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.Lfunc_end1:
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.size main, .Lfunc_end1-main
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.type _sysy_start,@object
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.bss
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.globl _sysy_start
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.p2align 3
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_sysy_start:
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.zero 16
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.size _sysy_start, 16
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.type _sysy_end,@object
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.globl _sysy_end
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.p2align 3
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_sysy_end:
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.zero 16
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.size _sysy_end, 16
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.type _sysy_l1,@object
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.globl _sysy_l1
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.p2align 2
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_sysy_l1:
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.zero 4096
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.size _sysy_l1, 4096
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.type _sysy_l2,@object
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.globl _sysy_l2
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.p2align 2
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_sysy_l2:
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.zero 4096
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.size _sysy_l2, 4096
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.type _sysy_h,@object
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.globl _sysy_h
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.p2align 2
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_sysy_h:
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.zero 4096
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.size _sysy_h, 4096
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.type _sysy_m,@object
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.globl _sysy_m
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.p2align 2
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_sysy_m:
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.zero 4096
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.size _sysy_m, 4096
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.type _sysy_s,@object
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.globl _sysy_s
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.p2align 2
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_sysy_s:
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.zero 4096
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.size _sysy_s, 4096
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.type _sysy_us,@object
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.globl _sysy_us
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.p2align 2
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_sysy_us:
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.zero 4096
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.size _sysy_us, 4096
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.type _sysy_idx,@object
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.section .sbss,"aw",@nobits
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.globl _sysy_idx
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.p2align 2
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_sysy_idx:
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.word 0
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.size _sysy_idx, 4
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.ident "Debian clang version 14.0.6"
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.section ".note.GNU-stack","",@progbits
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.addrsig
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