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[/] [eco32/] [trunk/] [fp/] [implementation/] [mmix/] [crypto2.mms] - Blame information for rev 15

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Line No. Rev Author Line
1 15 hellwig 
* Cryptanalysis Problem (CLASSIFIED) (pipelined, superscalar)
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a GREG
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b GREG
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bb GREG
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bbb GREG
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bbbb GREG
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c GREG
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cc GREG
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t GREG
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x GREG
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y GREG
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       LOC Data_Segment
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freq   GREG @           Base address for even byte counts
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       LOC @+8*(1<<8)   Space for the byte frequencies
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freqq  GREG @           Base address for odd byte counts
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       LOC @+8*(1<<8)   Space for the byte frequencies
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p      GREG @
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       BYTE "abracadabraa",0,"abc" Trivial test data
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ones   GREG #0101010101010101
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       LOC  #100
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Start  LDOU a,p,0
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       INCL p,8
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       BDIF t,ones,a
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       SLU  bb,a,8
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       BNZ  t,3F        Do main loop, unless near the end.
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2H     SRU  b,a,53
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       SRU  bb,bb,53
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       LDO  c,freq,b
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       LDO  cc,freqq,bb
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       SLU  bbb,a,16
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       SLU  bbbb,a,24
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       INCL c,1
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       INCL cc,1
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       SRU  bbb,bbb,53
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       SRU  bbbb,bbbb,53
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       STO  c,freq,b
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       STO  cc,freqq,bb
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       LDO  c,freq,bbb
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       LDO  cc,freqq,bbbb
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       SLU  b,a,32
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       SLU  bb,a,40
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       INCL c,1
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       INCL cc,1
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       SRU  b,b,53
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       SRU  bb,bb,53
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       STO  c,freq,bbb
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       STO  cc,freqq,bbbb
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       LDO  c,freq,b
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       LDO  cc,freqq,bb
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       SLU  bbb,a,48
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       SLU  bbbb,a,56
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       INCL c,1
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       INCL cc,1
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       SRU  bbb,bbb,53
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       SRU  bbbb,bbbb,53
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       STO  c,freq,b
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       STO  cc,freqq,bb
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       LDO  c,freq,bbb
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       LDO  cc,freqq,bbbb
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       LDOU a,p,0
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       INCL p,8
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       INCL c,1
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       INCL cc,1
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       BDIF t,ones,a
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       SLU  bb,a,8
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       STO  c,freq,bbb
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       STO  cc,freqq,bbbb
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       PBZ  t,2B
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3H     SRU  b,a,53
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       LDO  c,freq,b
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       INCL c,1
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       STO  c,freq,b
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       SRU  b,b,3
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       SLU  a,a,8
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       PBNZ b,3B
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       SET  p,8*255
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4H     LDO  c,freq,p
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       LDO  cc,freqq,p
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       ADD  c,c,cc
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       STO  c,freq,p
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       SUB  p,p,8
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       PBP  p,4B
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       POP
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Main   IS   Start
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