Deep CSE bug!

[Dave Korn]

> -----Original Message-----
> From: gcc-owner On Behalf Of Dave Korn
> Sent: 21 June 2004 11:16

> > My understanding (and working hypothesis) of REG_EQUAL notes 
> > is that they
> > describe the SET_SRC of a SET instruction, and their 
> interpretation is
> > completely independent of the set's target, SET_DEST.
> 
>   Ah, that's pretty much the opposite way round to what I had 
> expected!  I
> was working under the assumption that it referred to 'what 
> the SRC will equal after this insn until it next gets set'.
      ^^^^ 

  I meant to say 'what the DEST will equal'.  D'oh.


    cheers, 
      DaveK
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