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59 lines
1.1 KiB
59 lines
1.1 KiB
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#include "ksia64.h"
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LEAF_ENTRY (ChkSum)
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.prologue
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alloc t21 = ar.pfs, 3, 0, 0, 0
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.save ar.lc, t22
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mov t22 = ar.lc
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zxt4 t3 = a2
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;;
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cmp4.eq pt0, pt1 = zero, a2
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add t7 = 64, a1
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add t3 = -1, t3
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;;
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(pt1) ld2.nta t0 = [a1], 2
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mov ar.lc = t3
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cmp4.ne pt2 = 1, a2
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mov t10 = 0xffff
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zxt4 a0 = a0
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(pt0) br.cond.spnt cs20
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;;
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cs10:
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(pt2) ld2.nta t4 = [a1], 2
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add a2 = -1, a2
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add a0 = t0, a0
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;;
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(pt1) lfetch.nta [t7], 64
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extr.u t1 = a0, 16, 16
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and t2 = a0, t10
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;;
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cmp4.ne pt2 = 1, a2
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nop.f 0
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tbit.nz pt1 = a1, 6
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mov t0 = t4
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add a0 = t1, t2
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br.cloop.dptk cs10
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;;
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cs20:
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nop.m 0
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extr.u t1 = a0, 16, 16
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;;
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add a0 = t1, a0
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;;
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mov ar.lc = t22
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and v0 = a0, t10
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br.ret.sptk brp
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LEAF_EXIT (ChkSum)
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