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   comp.arch      Apparently more than just beeps & boops      131,241 messages   

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   Message 130,488 of 131,241   
   Chris M. Thomasson to John Levine   
   Re: instruction ordering, was Memory ord   
   11 Dec 25 18:27:48   
   
   From: chris.m.thomasson.1@gmail.com   
      
   On 12/11/2025 5:41 PM, John Levine wrote:   
   > According to Thomas Koenig  :   
   >> MitchAlsup  schrieb:   
   >>   
   >>> Heck, there are assemblers that rearrange code like this too much--   
   >>> until they can be taught not to.   
   >>   
   >> Any example?  This would definitely go against what I would consider   
   >> to be reasonable for an assembler.  gdb certainly does not do so.   
   >   
   > On machines with delayed branches I've seen assemblers that move   
   > instructions into the delay slot.  Can't think of any others off hand.   
   >   
      
   That would suck! Back when I used to code in SPARC assembly language, I   
   had full control over my delay slots. Actually, IIRC, putting a MEMBAR   
   instruction in a delay slot is VERY bad.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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