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Viewing changes to ports/sysdeps/i960/mul_1.s

  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2011-10-04 17:48:26 UTC
  • mfrom: (216.1.23 oneiric)
  • Revision ID: package-import@ubuntu.com-20111004174826-2cyb9ewn3ucymlsx
Tags: 2.13-20ubuntu5
https://launchpad.net/bugs/853688
libc6-dev: Don't break the current {gnat,gcj}-4.4-base versons. LP: #853688.

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ports/sysdeps/i960/mul_1.s
 
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.text
 
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        .align  4
 
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        .globl  ___mpn_mul_1
 
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___mpn_mul_1:
 
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        subo    g2,0,g2
 
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        shlo    2,g2,g4
 
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        subo    g4,g1,g1
 
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        subo    g4,g0,g13
 
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        mov     0,g0
 
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        cmpo    1,0             # clear C bit on AC.cc
 
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Loop:   ld      (g1)[g2*4],g5
 
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        emul    g3,g5,g6
 
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        addc    g0,g6,g6        # relies on that C bit is clear
 
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        st      g6,(g13)[g2*4]
 
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        addc    0,g7,g0
 
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        addo    g2,1,g2
 
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        cmpobne 0,g2,Loop       # when branch is taken, clears C bit
 
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        ret